Relationships between Sleep, Athletic and Match Performance, Training Load, and Injuries: A Systematic Review of Soccer Players
Abstract
:1. Introduction
2. Materials and Methods
2.1. Eligibility Criteria
2.2. Information Sources and Search
2.3. Data Extraction
2.4. Data Items
2.5. Methodological Assessment
3. Results
3.1. Study Identification and Selection
3.2. Study Characteristics
3.3. Methodological Quality
3.4. Results of Individual Studies: Sleep and Athletic and/or match Performance
3.5. Results of Individual Studies: Sleep and Training Load
3.6. Results of Individual Studies: Sleep and Training/Match Performance
3.7. Results of Individual Studies: Sleep and Injury Risk
Reference | Reporting | Ext. Validity | Int. Validity | Int. Validity-Cofounding | Power | Score | ||||||||||||||||||||||
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1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | Final | |
Abbott et al., [31] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 20 |
Abedelmalek et al., [38] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 16 |
Abedelmalek et al., [39] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 17 |
Ajjimaporn et al., [27] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 20 |
Aziz et al., [32] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 18 |
Baati et al., [40] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | - | - | 1 | - | 1 | - | 1 | 1 | 1 | - | - | 1 | 0 | 0 | 15 |
Chamari et al., [48] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | - | - | 1 | - | 1 | - | 1 | 1 | 1 | - | - | 1 | 1 | 0 | 18 |
Clemente et al., [42] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | - | - | 1 | - | 1 | - | 1 | 1 | 1 | - | - | 1 | 0 | 0 | 16 |
Clemente et al., [43] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | - | - | 1 | - | 1 | - | 1 | 1 | 1 | - | - | 1 | 0 | 0 | 17 |
Fowler et al., [41] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | - | - | 1 | - | 1 | - | 1 | 1 | 1 | 1 | - | 1 | 0 | 0 | 17 |
Fowler et al., [33] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 18 |
Gouttebarge et al., [29] | 1 | 1 | 0 | 1 | 2 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | - | 1 | 1 | 1 | 1 | 21 |
Güvenç et al., [34] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | - | - | 1 | - | 1 | - | 1 | 1 | 1 | - | - | 1 | 0 | 0 | 16 |
Haddad et al., [30] | 1 | 1 | 0 | 1 | 2 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | - | - | 1 | - | 1 | - | 1 | 1 | 1 | - | - | 1 | 1 | 0 | 17 |
Hill et al., [35] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | - | - | 1 | - | 1 | - | 1 | 1 | 1 | - | - | 1 | 0 | 0 | 17 |
Kiliç et al., [49] | 1 | 1 | 0 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | - | - | 1 | - | 1 | - | 1 | 1 | 1 | - | - | 1 | 1 | 1 | 18 |
Krutsch et al., [50] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | - | - | 1 | - | 1 | - | 1 | 1 | 1 | - | - | 1 | 1 | 0 | 16 |
Laux et al., [19] | 1 | 1 | 0 | 1 | 2 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | - | - | 1 | - | 1 | - | 1 | 1 | 1 | - | - | 1 | 0 | 0 | 17 |
Levitch et al., [51] | 1 | 1 | 0 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | - | - | 1 | - | 1 | - | 1 | 1 | 1 | - | - | 0 | 0 | 0 | 14 |
Meckel et al., [36] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | - | - | 1 | - | 1 | - | 1 | 1 | 1 | - | - | 1 | 0 | 0 | 15 |
Nédélec et al., [18] | 1 | 1 | 0 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | - | - | 1 | - | 1 | - | 1 | 1 | 1 | - | - | 1 | 0 | 0 | 15 |
Pallesen et al., [28] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 21 |
Selmi et al., [44] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | - | - | 1 | - | 1 | - | 1 | 1 | 1 | - | - | 1 | 0 | 0 | 16 |
Silva et al., [17] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | - | 0 | 1 | 0 | 0 | 16 | |
Souissi et al., [20] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 18 |
Watson & Brickson [45] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | - | - | 1 | - | 1 | - | 1 | 1 | 1 | - | - | 1 | 0 | 0 | 16 |
Watson et al., [46] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | - | - | 1 | - | 1 | - | 1 | 1 | 1 | - | - | 1 | 0 | 0 | 15 |
Wilson et al., [47] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | - | - | 1 | - | 1 | - | 1 | 1 | 1 | - | - | 1 | 0 | 0 | 15 |
Zerguini et al., [37] | 1 | 1 | 0 | 1 | 2 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | - | - | 1 | - | 1 | - | 1 | 1 | 1 | - | - | 1 | 0 | 0 | 16 |
Costa et al., [9] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | - | - | 1 | - | 1 | - | 1 | 1 | 1 | - | - | 1 | 1 | 0 | 19 |
Figueiredo et al., [8] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | - | - | 1 | - | 1 | - | 1 | 1 | 1 | - | - | 1 | 1 | 0 | 17 |
Costa et al., [10] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | - | - | 1 | - | 1 | - | 1 | 1 | 1 | - | - | 1 | 1 | 0 | 17 |
Study | N/Age/Sex | Study Design | Dimension Analysis | Instruments and Outcomes for Sleep | Instruments/Tests and Outcomes for Performance, Training Load Or Injury |
---|---|---|---|---|---|
Abbott et al., [31] | N: 9 Age: 21 ± 5 Sex: M | Prospective cohort | Match analysis | Sleep log: total sleep time. Sleep quality (1–5 scale). | RPE (CR-10). CMJ. |
Abedelmalek et al., [38] | N: 36 Age: 21.3 ± 0.5 Black Tunisian Age: 22.1 ± 2.2 White Tunisian Age: 22.2 ± 1.3 South African Sex: M | Prospective cohort | Athletic performance | Actimetry (Actiwatch sleep and Activity software V5.32; Cambridge Neurotechnology; Cambridge, UK): total sleep duration, sleep latency; sleep efficiency and mean activity score (the average value of the activity counts per epoch over the assumed sleep period). | 30 s Wingate test: Peak power Mean power Fatigue index |
Abedelmalek et al., [39] | N: 12 Age: 21.2 ± 1.2 Sex: M | Prospective cohort | Athletic performance | Actimetry (Actiwatch sleep and Activity software V5.32; Cambridge Neurotechnology, Cambridge, UK): total sleep duration, sleep, sleep efficiency. | 30 s Wingate test: Peak power Mean power Fatigue index. |
Ajjimaporn et al., [27] | N: 11 Age: 20 ± 1 Sex: M | Prospective randomized crossover | Athletic performance | Total sleep duration. | RPE (CR-20). Auditory reaction time. RAST: max power, min power, average power, fatigue index. Isometric leg strength test. |
Aziz et al., [32] | N: 13 Age: ND (under 23) Sex: M | Prospective cohort | Match analysis | Time to bed and waking. Daytime nap times. Epworth Sleepiness Scale questionnaire: levels of daytime sleepiness. | Brunel Mood Scale. Visual analogue scale. Profile of mood state. Perceived readiness questionnaire. S-RPE (CR-10). 5 Hz GPS (MinimaxX 2.5; Catapult Innovations, Melbourne, Australia): total distance, low-speed (<8.0 km·h−1), moderate-speed (8.0–18.0 km·h−1) and high-speed running (>18.0 km·h−1); HR monitor strap (T-31, Polar Oy, Kempele, Finland): HRavg, HRmax. Blood lactate (LactatePro, Arkray Inc., Kyoto, Japan). |
Baati et al., [40] | N: 10 Age: 22.8 ± 1.3 Sex: M | Prospective cohort | Athletic performance | Wrist actigraphy (Actiwatch sleep and Activity software, version 5.32; Neurotechnology, Cambridge, UK): sleep latency, sleep efficiency, end of sleep, start of sleep. Hooper Index: sleep quality. | Egocentric Distance Estimation 3 distances (15, 25, and 35 m) before and after repeated cycling (Monark 894E, Stockholm, Sweden). POMS questionnaire. Hooper Index: stress, fatigue, muscle soreness. |
Chamari et al., [48] | N: 42 Age: 24 ± 4 Sex: M | Prospective cohort | Injury | Hooper Index: sleep quality. | RPE (CR-10 scale): Weekly training load Weekly training strain Weekly training duration. Hooper index: stress, fatigue, muscle soreness. Injury rate: Rate of contact injury Rate of non-contact injury Rate of contact injury during matches Rate of overuse injury during matches Rate of contact injury during training Rate of overuse injury during training Number of injuries per 4-week periods Total monthly training and match exposure. |
Clemente et al., [42] | N: 10 Age: 19.8 ± 1.6 Sex: M | Prospective cohort | Training load | Hooper Index: sleep quality. | HRavg (Polar H7, Polar Electro, OY, Kempele, Filand). GPS (JOHAN Sports, Noordwijk, The Netherlands): total distance (m); running distance at 14–19.9 km/h sprinting distance at >20.0 km/h; total number of accelerations >2 m/s2; RPE (CR-10 scale). Hooper Index: stress, muscle soreness and fatigue. |
Clemente et al., [43] | N: 35 Age: 25.7 ± 5.0 Sex: M | Prospective cohort | Training load | Hooper Index: sleep quality. | RPE (CR-10 scale). Hooper Index: stress, muscle soreness and fatigue. |
Costa et al., [9] | N: 20 Age: 25.2 ± 3.1 Sex: F | Prospective cohort | Training and match analysis | Wrist actigraphy (Actigraph LLC wGT3X-BT, Pensacola, FL, USA): sleep time, time in bed, wake-up time, sleep onset time, wake after sleep onset, sleep fragmentation index, latency and sleep efficiency. | s-RPE (CR-10). 18 Hz GPS units (STATSports Apex, Northern Ireland): total distance training and match exposure time high-speed running |
Costa et al., [10] | N: 34 Age: 20.6 ± 2.3 Sex: F | Prospective cohort | Training and match analysis | Hooper Index: sleep quality. Accelerometer (Actigraph LLC wGT3XBT, Pensacola, FL, USA): sleep duration and sleep efficiency. | s-RPE (CR-10). TRIMP. HR (Firstbeat Sports, Jyväskylä, Finland): %HRmax and HR exercise. Hooper Index: fatigue, stress and muscle soreness. |
Figueiredo et al., [8] | N: 18 Age: 14.8 ± 0.3 Sex: M | Prospective cohort | Training and match analysis | Accelerometer (Actigraph LLC wGT3X-BT, Pensacola, FL, USA): sleep duration, sleep efficiency, | s-RPE (CR-10). |
Fowler et al., [41] | N: 10 Age: 23.9 (22.2–25.6) Sex: M | Prospective cohort | Athletic performance | Actigraphy watches (ReadiBand, Fatigue Science, Honolulu, HI, USA)—sleep duration, latency, efficiency, number of awakenings, and duration of awakenings. Hooper Index: sleep quality. | CMJ—linear position transducer (GymAware, Kinetic Performance Technologies, Canberra, Australia): jump height, peak power, and peak velocity. Yo-Yo Intermittent Recovery level 1 test (YYIR1). HR, HRmax, HRR (Polar Team2, Polar Electro, Kempele, Finland). Cortisol (ELISA, Demeditec Diagnostics, Kiel, Germany). Oxygen saturation (Nonin 4000 Avant Bluetooth Pulse Oximeter, Nonin, North Plymouth, MN, USA) Hooper Index: stress, fatigue and muscle soreness. S-RPE. Physical feeling. Brunel Mood Scale. |
Fowler et al., [33] | N: 20 Age: 21.9 ± 3.6 Sex: M | Prospective cohort | Athletic performance | Actigraphy (Actiwatch-64; Philips Respironics, Bend, OR, USA): time in bed; sleep onset; sleep offset; sleep duration; sleep efficiency. Subjective sleep quality (Liverpool John Moore’s University jet lag questionnaire). | CMJ: jump height, peak power, and peak velocity 20 m sprint, T test, Yo-Yo Intermittent Recovery Level 1. Brunel Mood Scale. s-RPE. Physical feeling. |
Gouttebarge et al., [29] | N:540 Age: 26.7 ± 4.4 Sex: M | Prospective cross-sectional | Injury | Sleeping disturbance—PROMIS (short form). | 3 Musculoskeletal Questionnaire: total number of severe musculoskeletal injuries; total number of severe joint injuries; and total number of severe muscle injuries during a professional soccer career. Number of Surgeries. |
Güvenç et al., [34] | N:16 Age:17.4 ± 1.2 Sex: M | Prospective cohort | Athletic performance | Sleep duration. | Modified 20 m shuttle run test: peak running distance, peak running time, peak running velocity, running velocity at 4.0 mmol·L−1, peak LA, peak HR, peak RPE Blood Lactate (LA) YSI 1500 Sport Lactate Analyzer (Yellow Springs Inst., Yellow Springs, OH, USA) HR monitors (S610i, Polar Electro Oy, Kempele, Finland): HRmax, HRavg, RPE (CR-20) LA/HR/RPE: Resting: at 8 km·h−1 at 10 km·h−1 at 11 km·h−1 at 12 km·h−1 |
Haddad et al., [30] | N: 17 Age: 17–19 Sex: M | Prospective cross-sectional | Athletic performance | Hooper Index—sleep quality | Heart rate (Polar S-800i, Polar Electro, Finland): HRmax, RHR, HRres. RPE (CR-10 scale). Hooper Index: stress, muscle soreness, and fatigue. |
Hill et al., [35] | N: 7 Age: 22 ± 2 Sex: F | Prospective cohort | Athletic performance | Sleep duration. Sleep quality (1-to-5 non-validated scale). | Mood state—POMS questionnaire: tension/anxiety, depression/dejection, anger/hostility, vigor/activity, fatigue/inertia, and confusion/bewilderment. Grip strength: handgrip dynamometer (Asimov Engineering, Los Angeles, CA, USA). |
Kiliç et al., [49] | N: 262 Age: 27 ± 5 Sex: M | Prospective cohort | Injury | Sleep disturbance—PROMIS. | Musculoskeletal disorder injury. |
Krutsch et al., [50] | N: 423 M (22.9 ± 2.6) N: 271 F (22.2 ± 2.3) | Prospective cohort | Injury | Sleep quality: sleep duration, any sleep interruptions during the night, feeling tired in the morning of the match day | Total playing time in the tournament. Mean playing time per player in the tournament. Frequent training sessions before the tournament. Participation in a structured warm-up routine before the matches. Playing in a soccer club Traumatic Injury Prevalence per player Overuse injuries Prevalence per player |
Laux et al., [19] | N: 22 Age: 25.8 ± 5 Sex: M | Prospective cohort | Injury | RESTQ-Sport questionnaire: sleep quality. | RESTQ-Sport questionnaire: general stress, emotional stress, social stress, conflicts/pressure, fatigue, lack of energy, physical complaints, success, social recovery, physical recovery, general well-being, disturbed breaks, emotional exhaustion, injury, being in shape, personal accomplishment, self-efficacy, self-regulation. |
Levitch et al., [51] | N: 50 Age: 18 Sex: F | Prospective cohort | Injury | Pittsburgh Sleep Quality Index: quality, latency, duration, efficiency, disturbances, sleeping medication, daytime dysfunction. | HeadCount Web-based questionnaire: HeadCount-12m inquired about soccer activity during the prior 12 months; HeadCount-2w inquired about soccer activity during the prior two weeks. |
Meckel et al., [36] | N: 18 Age: 15.1± 0.9 Sex: M | Prospective cohort | Athletic performance | Sleep (hours/day) | Vertical jump test; Agility test; Speed endurance test; Sprint test; Endurance test |
Nédélec et al., [18] | N: 1 Age: 31 Sex: M | Prospective cohort case report | Injury | Wrist activity monitor (Actisleep, TheActigraph, Pensacola, FL, USA): bed time, sleep onset latency, total sleep time, sleep efficiency. Sleep quality using a visual 10-point analogue scale. | s-RPE (CR-10). Injuries number. |
Pallesen et al., [28] | N: 19 Age: 16.5 ± 1.3 Sex: M | Prospective randomized crossover | Athletic performance | Horne-Ostberg Morningness-Eveningness Questionnaire: sleep habits, sleepiness, preferred time for performing activities. Sleep time. Alert/sleep: Karolinska Sleepiness Scale. | Juggling test; Dribbling test (20 and 40 m sprints, 0 m sprint with directional change); Ball control (trapping); Continuous kicking. |
Selmi et al., [44] | N: 20 Age: 25.1 ± 1.0 Sex: M | Prospective cohort | Training load | Hooper Index: sleep quality | Hooper Index: fatigue, stress, and muscle soreness. Total quality recovery questionnaire. VAMEVAL test: HRmax. RPE (CR-10 scale). |
Silva et al., [17] | N: 23 Age: 26.5 ± 5.2 Sex: M | Prospective cohort | Injury | Self-reporting sleep diaries. Actiwatch 2 wrist activity monitor actigraph (Philips Respironics, Andover, MA, USA): time awake, sleep duration, WASO (Wake After Sleep Onset), sleep efficiency, and sleep latency. | Number of injuries, the injury severity, and the absence time. |
Souissi et al., [20] | N: 14 Age: 23.57 ± 1.98 Sex: M | Prospective cohort | Athletic performance | Actimetry (Actiwatch sleep and Activity software v5.32; Cambridge Neurotechnology; UK): sleep duration. | Squat jump test (Optojump, Italy). 30 s Wingate test (Monark 894E, Stockholm, Sweden). Index of motor performance: reaction time. |
Watson and Brickson [45] | N: 65 Age: 15.5 ± 1.6 Sex: F | Prospective cohort | Training load | Daily ratings of sleep quality. Sleep duration. | RPE (CR-10 scale) Daily ratings of fatigue, mood, soreness, stress. |
Watson et al., [46] | N: 75 Age: 15.5 ± 1.6 Sex: F | Prospective cohort | Training load | Daily ratings of sleep quality. Sleep duration. | s-RPE (CR-10 scale). Daily ratings of fatigue, mood, soreness, stress. Injuries numbers, locations, and types. |
Wilson et al., [47] | N: 14 Age: 25 ± 3 Sex: M | Prospective cohort | Training load | Actimeter watch (Cambridge Neurotechnology, Cambridge, UK): time that they went to bed and woke-up, bedtimes, wake-up times. | 20 m progressive shuttle run: VO2max (Polar Team System, Kempele, Finland). Relative HR zones and TRIMP were calculated. |
Zerguini et al., [37] | N: 55 Age: ND Sex: M | Prospective cohort | Athletic performance | Sleep hours and Sleep quality | Explosive leg power: standing vertical jump. Agility: four-line test. Dribbling test: test of soccer skill. Speed and acceleration were obtained by photoelectric cells during a 20 m sprint from a standing start. Endurance: 12 min run, with recovery HR monitored for 5 min. |
Study | Aim | Results | Findings |
---|---|---|---|
Abbott et al., [31] | To investigate the cognitive, physical, and perceptual effects of sleep restriction in soccer players following a night match. | CMJ decreased by ~8% after the match with and without sleep restriction. | Sleep restriction (~6 h of sleep) following a nighttime soccer match does not impair CMJ performance, subjective wellbeing, or cognitive function in the following morning. |
Abedelmalek et al., [38] | To access the effect of PSD and racial variation on muscle power and fatigue during a 30-s Wingate test. | There was a significantly greater decrease in PP and MP (p < 0.001) after the PSD in South Africans compared with black Tunisians (p < 0.05) and white Tunisians (p < 0.05); values for South Africans, White Tunisians, and Black Tunisian. Fatigue index was unaffected by either sleep deprivation or racial variation. | 4 h of PSD at the end of the night affect performance during the Wingate test at 18:00 h more in South Africans than Tunisians. These results suggest a greater vulnerability of South Africans to sleep deprivation. |
Abedelmalek et al., [39] | To evaluate the effect of time of day and PSD on short-term maximal performance and level of IL-6 in trained subjects. | PP and MP improved significantly from the morning to the afternoon after NNS (p < 0.05) and from the afternoon to the morning after PSD (p < 0.05). Compared to NNS, PP and MP were not affected by PSD the following morning. However, there was a significant decrease in PP and MP (p < 0.001) after the PSD at 18:00 h. | A short-term high-intensity exercise may increase the interleukin-6 concentrations in the morning and the afternoon. Moreover, IL-6 remained elevated during the recovery period in the afternoon after the PSD at the end of the night. |
Ajjimaporn et al., [27] | To examine effects of a 20-min nap following 3 h of sleep deprivation on brain wave activity, auditory reaction time, the RAST, leg muscle strength, and the RPE in male college soccer players. | The sleep deprivation demonstrated an increase in the MP of delta waves over the frontal area and a decrease in the mean power of alpha waves over the parietal area compared to the normal sleep. The nap and the sleep deprivation showed an increase in auditory reaction time compared with those in the normal sleep. The sleep deprivation demonstrated a decrease in the running-based anaerobic sprint test compared to the normal sleep, whereas the nap has partially reversed only minimal power and average power of the running-based anaerobic sprint test. The nap showed a recovery effect on leg muscle strength, but not on the rating of perceived exertion compared with the sleep deprivation. | Getting 3 h of sleep a night had negative effects on anaerobic performance test, muscle strength, and fatigue in the afternoon (16:00 h) of the following day. A 20min nap after sleep deprivation did not entirely reverse the negative impact of sleep deprivation on soccer performance. |
Aziz et al., [32] | To examine the effects of RF on physical activity profile of soccer players via the satellite GPS during a 90 min match played. | In RF condition, players covered a lower total distance (by 12.8 ± 5.8%), and covered less distance within the moderate (22.4 ± 12.0%) and high-speed (35.5 ± 20.1%) zones (all p < 0.025). Players accomplished a lower relative speed throughout the most of the match in RF compared to control condition (p < 0.008). Blood glucose, blood lactate, and HR of the players during match in RF and control conditions were equivalent (all, p > 0.05), although RPE was higher before, during, and post-match in the RF vs. control conditions (p > 0.05). | Players’ physical activity profile during a soccer game was adversely affected by RF which include 6.5 h of sleep and 100 min of daily nap, and this negative impact was already observed in the initial stages of the match. |
Baati et al., [40] | To investigate the effects of intensive effort on egocentric distance perception according to different angles of view after SDB or SDE of the night and after a NNS. | For 35 m, distance estimation was better during NNS compared to SDB and SDE for the front and the two side angles either before or after RS. Concerning 25 m, distance estimation was better after compared to before repeated cycling for the front angle during the NNS session (p < 0.05). For 15 m, distance estimation was better during NNS than SDB and SDE for the front and both side angles after repeated cycling (p < 0.05). All Hooper index categories and POMS denoted better results after NNS compared to SBD and SDE (p < 0.05). | PSD negatively affected the estimation of the egocentric distance for the three angles of view either at rest or after repeated cycling exercise. |
Fowler et al., [41] | To examine the effects of simulated air travel on physical performance. | Sleep quantity and quality were significantly reduced during international simulated travel compared with control group and domestic simulated travel (p < 0.01). Yo-Yo Intermittent Recovery level 1 test performance was significantly reduced in the PM following day during international simulated compared with control group and domestic simulated travel (p < 0.01), where performance remained unchanged (p > 0.05). Compared with baseline, physiological and perceptual responses to exercise, and mood states, were exacerbated following the international simulated travel (p < 0.05). | Attenuated intermittent-sprint performance following simulated international air travel may be due to sleep disruption during travel and the subsequent exacerbated physiological and perceptual markers of fatigue. |
Fowler et al., [33] | To assess the efficacy of a combined light exposure and sleep hygiene intervention to improve team-sport performance following eastward long-haul transmeridian travel. | Magnitude-based inference and standardized effect-size analysis indicated there was a very likely improvement in the mean change in countermovement jump peak power (effect size 1.10 ± 0.55), and likely improvement in 5 m (0.54 ± 0.67) and 20 m (0.74 ± 0.71) sprint time in intervention group compared with control group across the 4 days post-travel. Sleep duration was most likely greater in intervention group both during travel (1.61 ± 0.82) and across the 4 nights following travel (1.28 ± 0.58) compared with control group. Finally, perceived mood and motivation were likely worse (0.73 ± 0.88 and 0.63 ± 0.87) across the 4 days post-travel in control group compared with intervention group. | Combined light exposure and sleep hygiene improved speed and power but not intermittent-sprint performance up to 96 h following long-haul transmeridian travel. The reduction in sleep disruption during and following travel is a likely contributor to improved performance. |
Güvenç et al., [34] | To examine the effects of RF on body composition, aerobic exercise performance, blood lactate, heart rate, and perceived exertion in regularly trained young soccer players. | Although RPE at submaximal workloads increased during RF (p < 0.05), blood lactate and HR had decreased by the end of RF (p < 0.05). Peak running performance and running velocity at anaerobic threshold also improved by the end of RF (p < 0.05). | Regular training regimen, body fluid balance, daily energy intake, and sleep duration (8.6–8.8 h) are maintained during RF; it does not have detrimental effects on aerobic exercise performance or body composition in young soccer players. |
Haddad et al., [30] | To assess Hooper Index effects on RPE during a 10 min submaximal exercise training session. | No significant correlations were resulted between RPE-10 min and Hooper’s Index in all athletes. | The results suggest that fatigue, stress, muscle soreness, and sleep are not major contributors of RPE during traditional soccer training without excessive training loads. |
Hill et al., [35] | To evaluate the effects of jet lag on factors associated with sport performance | Vigor was reduced, p < 0.05, on Days 1 and 2 in Taiwan. Fatigue was increased on Day 1, p < 0.05, Day 2 (non-significant), and Day 3 (non-significant). Total mood disturbance was elevated, p < 0.05, on Days 1 and 2. Grip strength measured the first 2 days in Taiwan was lower, p < 0.05, than the baseline value. Number of hours spent sleeping differed, p < 0.05, from baseline on the 2nd night in Taiwan, with the athletes apparently trying to catch up on lost sleep. There was no significant deterioration in sleep quality, despite an apparent trend toward poorer quality from the 1st through 4th days at the destination. | This finding suggests that, despite their high level of motivation and preparation, even elite athletes may suffer psychological decrements after rapid transmeridian travel. Performance-related variables that were evaluated were seen to return quite quickly to pretravel levels. The iceberg mood state profile of the elite athletes and the fit physical educators was re-established by the 4th day at the destination. |
Meckel et al., [36] | To examine the effect of the RF on performance capacities, dietary habits, and the daily behavioral patterns in adolescent soccer players. | There were no significant differences in total daily sleeping hours (8.6 ± 0.7 h/day vs. 8.6 ± 0.5 h/day, p = 0.80) between RF and a regular month. | The decrease in performance does not necessarily relate to changes in caloric intake and sleeping hours during the fast. |
Pallesen et al., [28] | To investigate the effects of sleep deprivation on soccer skills (habitual sleep and 24 h sleep deprivation). | The results revealed a negative effect of sleep deprivation on the continuous kicking test. On one test, 30 m sprint with directional changes, a significant condition test repetition interaction was found, indicating a steeper learning curve in the sleep-deprived condition from Test 1 to Test 2 and a steeper learning curve in the rested condition from Test 2 to Test 3. | Negative effects of sleep deprivation on soccer skills were partly supported by the data and that more pronounced effects would be expected in a soccer match. Greater negative sleep impact over repetitive performance was not supported by these data. |
Souissi et al., [20] | To evaluate the effects of caffeine ingestion and partial sleep deprivation at the end of night on cognitive and physical performance. | Results showed that reaction time squat jumps were affected by PSD, even though peak power, mean power and SJ were not affected on the following day. However, both simple and choice reaction times were significantly poorer during PSD in comparison with NNS (p < 0.05 and p < 0.001, respectively). | PSD decreases reaction time and squat jumps, but peak and mean power were not affected. |
Zerguini et al., [37] | To analyze effects of RF on Muslim soccer athletes. | Nearly 70% of the players thought that their training and performance were adversely affected during the fast where players’ sleep was reduced by 30 min. | The phase shift of food intake and disruption of sleep patterns affect actual and perceived physical performance. Islamic athletes need to explore strategies that will maximize performance during Ramadan. |
Study | Aim | Results | Findings |
---|---|---|---|
Clemente et al., [42] | To test the associations between wellness and internal and external load variables during two intermittent SSGs. | Large and negative correlations were found between sleep quality and RPE (−0.64, (−0.88; −0.14)) and total accelerations (−0.64, (−0.88; −0.13)) during 6 × 3′ small-sided games. | Sleep was also negatively and largely correlated with RPE during shorter bouts. Thus, coaches should adopt supplementary monitoring methods to avoid erroneous classifications of load rated by players with low sleep quality. |
Clemente et al., [43] | To assess differences of playing position on s-RPE and Hooper Index across two different training microcycles (1 vs. 2 competitive games) and to examine the relationship between s-RPE and Hooper Index across an entire season. | Sleep quality was similar in the two different microcycles. Significative correlations between s-RPE and sleep were found (p = −0.109) in 2-matches microcycles. | Sleep was also negatively correlated with s-RPE, especially in microcycles with two matches, thus suggesting that congested periods that increase stress and muscle soreness are more sensitive to affect sleep quality. |
Selmi et al., [44] | To assess the influence of well-being indices (sleep, stress, fatigue, and muscle soreness) and the total quality of recovery on technical and physiological measures during soccer SSGs. | No significant correlations were found between well-being indices, total quality recovery, and physiological parameters. | Physiological responses during SSGs (HR and Lactate) and its intensity were not influenced by the variability in sleep. |
Watson and Brickson [45] | To determine whether acute TL and sleep are independent predictors of subjective well-being and whether sleep mediates the influence of acute TL on subjective well-being in female youth athletes. | Sleep duration mediated a significant portion of the effect of TL on mood (26.8%, p < 0.001), fatigue (12.6%, p < 0.001), and stress (24.5%, p < 0.001) | Among female youth athletes, decreased sleep duration and increased TL are independently associated with impairments in subjective well-being. In addition, decreased sleep mediates a significant portion of the negative effect of increases in TL on subjective well-being. |
Watson et al., [46] | To determine whether acute TL and sleep are independent predictors of subjective well-being and whether sleep mediates the influence of acute TL on subjective well-being in female youth athletes. | Average sleep duration was 7.9 ± 1.4 h during the study period. Sleep duration mediated a significant portion of the effect of TL on mood (26.8%, p < 0.001), fatigue (12.6%, p < 0.001), and stress (24.5%, p < 0.001). | Increased sleep was significantly associated with improved fatigue, mood, and stress. In fact, a significant portion of the effect of TL on subjective well-being was because of TL on sleep. |
Wilson et al., [47] | To establish how the timing of sleep was influenced by fasting diurnal requirements and how training practices were altered in professional soccer players by comparing behavior over the RF month to that displayed in the four weeks immediately following. | The TL, as indicated by training impulse scores, did not vary between RF and the following four weeks, although the duration of training sessions was shortened after two weeks of RF. Duration of sleep was prolonged during RF by 99 min on average. | A significant change in the timing of sleep was the main way that a group of professional soccer players adjusted to cope with the RF. Thus, influence of RF on daily activities is more a matter of chronobiology than calorie restriction. |
Study | Aim | Results | Findings |
---|---|---|---|
Figueiredo et al., [8] | To describe habitual sleep and nocturnal cardiac autonomic activity and their relationship with training/match load in male youth soccer players during an international tournament | During the five nights, 8 to 17 players slept less than <8 h and only one to two players had a sleep efficiency <75%. Players’ sleep duration CV ranged between 4 and 17%. A moderate within-subjects correlation was found between s-RPE and sleep duration. | The present findings suggest that youth soccer players slept less than the recommended amount during the international tournament, and sleep duration was negatively associated with training/match load. |
Costa et al., [9] | To describe individual sleeping patterns and nocturnal cardiac autonomic activity of National team female soccer players during an international tournament. | Individually, players slept less than recommended amount (<7 h) on several days of the tournament, especially after 1 evening time match (n = 8; ranging between 6:00–6:54 h). Total sleep time CV ranged between 3.1 and 18.7%. However, all players presented good sleep quality (i.e., sleep efficiency ≥ 75%; individual range between 75–98%) on each day of the tournament. | The study highlights the substantial individual variability in sleep, suggesting the adoption of an individual approach to monitor sleep, training, and match loads and recovery to understand how players cope with highly demanding competitions better. |
Costa et al., [10] | To highlight the substantial individual variability in sleep and HRV measures, suggesting the adoption of an individual approach to monitor sleep, training, and match loads and recovery to understand how players cope with highly demanding competitions better. | After 6 evening time training sessions, a higher number of players (17–22) slept less than 7 h/night, in contrast to the remaining days (i.e., match-days and rest days), but only 1–6 players had a sleep efficiency <75%. The CV for sleep duration and sleep efficiency ranged between 9–22% and 2–11%, respectively. A small negative within-subject correlation was found between TRIMP and sleep duration and sleep efficiency. A moderate and small negative within-subject correlation was found between s-RPE and sleep duration and sleep efficiency. | The study highlights the individual variability of sleep, indicating that sleep duration may be affected by training and match schedules and workloads. |
Study | Aim | Results | Findings |
---|---|---|---|
Chamari et al., [48] | To examine the effects over two consecutive years of the holy month of Ramadan on injury rates of a Tunisian top-level professional soccer team. | No significant differences between the three periods were observed for weekly mean training load, training strain, training duration, and Hooper’s Index (quality of sleep, and quantities of stress, delayed-onset muscle soreness, and fatigue). No significant difference in injury rates was observed between fasting and non-fasting players. Nevertheless, the rates of non-contact (6.8 vs. 0.6 and 1.1) and training overuse (5.6 vs. 0.6 and 0.5) injuries were significantly higher in RF than before or after Ramadan month. | Ramadan along with the corresponding changes in nutritional habits, sleeping schedule, and socio-cultural and religious events, significantly increased overuse and non-contact injuries in fasting players despite the fact that the training load, strain, and duration were maintained. |
Gouttebarge et al., [29] | To explore the associations of severe musculoskeletal injuries (joint and muscles) and surgeries with symptoms of common mental disorders (distress, anxiety/ depression, sleeping disturbance, adverse alcohol behavior, smoking, adverse nutrition behavior) among male European professional soccer players. | Professional soccer players who had sustained three or more severe musculoskeletal injuries during their career were more than two times more likely to report sleeping disturbance (OR 2.3 and 95% CI 1.2–4.4) than professional soccer players who had not suffered from severe musculoskeletal injuries during their career. Professional soccer players who had sustained one or more severe joint injuries during their career were three to nearly four times more likely to report sleeping disturbance (OR 3.4 and 95% CI 1.9–6.2) than professional soccer players who had not suffered from severe joint injuries during their career. | European professional soccer players were 10–25% more likely to report symptoms of sleeping disturbance by every additional severe (joint or muscle) injury. |
Kiliç et al., [49] | To explore the interaction between severe musculoskeletal time-loss injuries and symptoms of common mental disorders in professional soccer players over a 12-month period. | Symptoms of common mental disorders at baseline were not associated with the risk of severe musculoskeletal time-loss injury during the 12-month follow-up period, with relative risk of 0.6 (0.3–1.0) for sleep disturbance. | No relationship was found between symptoms of common mental disorders and the onset of severe musculoskeletal time loss injuries. |
Krutsch et al., [50] | To investigate the factors influencing injuries in amateur soccer. | A total of 21.1% injuries happened during small-field soccer tournaments. The injury incidence of male players during match exposure was 469 per 1000 h soccer and significantly higher than in female players 313 (p = 0.025). Male players reported less and inadequate sleep the night before the tournament (p < 0.001). | Small-field tournaments in soccer have a high injury incidence. Male players have a higher injury incidence than female players and show a lack of sleep in the night before the tournament and poor warm-up performance on match day. |
Laux et al., [19] | To examine the contribution of stress and recovery variables as assessed with the Recovery-Stress Questionnaire for Athletes (RESTQ-Sport) to the risk of injury in professional soccer players. | Overall, 34 traumatic injuries and 10 overuse injuries occurred. The recovery-related scale Sleep Quality (OR 0.53, p = 0.010) significantly predicted injuries in the month after the assessment. | The recovery-related scale sleep quality was a significant predictor implying that a lack of sleep or non-refreshing sleep also increases injury risk. It is suggested that a lack of recovery and sleep and high stress as well as a feeling of muscle strain and impending injury precede the injury and predict its occurrence. |
Levitch et al., [51] | To provide a novel examination of the modifying role of sleep on the relationship between repetitive head impacts exposure and neuropsychological function in collegiate soccer players. | This sample had a high level of exposure to RHI, with a median count of 469 headers/year and 39 headers/two weeks, and they reported high levels of sleep disturbances, with over 50% of participants meeting criteria for “poor quality” sleep. With reduced sleep duration, a high level of recent heading exposure was related to worse sustained attention. However, with greater hours of sleep duration, heading exposure was related to preserved neuropsychological outcome in sustained attention. | Sleep may serve as a risk or protective factor for soccer players following extensive exposure to head impacts. |
Nédélec et al., [18] | To examine the link between sleep and injury occurrence in an elite male soccer player competing in French League 1 and Union of European soccer Associations matches. | Three injuries were reported over the study period. Sleep onset latency, both in the single night (117 ± 43 min) and in the week (78 ± 50 min) before injury occurrence, was longer than pre-season baseline values (18 ± 13 min; ES: 3.1 and 1.6, respectively). Similarly, sleep efficiency in the single night (73 ± 7%) and the week (75 ± 7%) before injury occurrence was lower than baseline (90 ± 3%; ES: 3.2 and 2.8, respectively). | Sleep onset latency and efficiency were altered on the night and in the week before injury occurrence. |
Silva et al., [17] | To investigate the relationship between sleep quality and quantity and injuries in elite soccer players. A secondary aim was to compare sleep-wake variables and injury characteristics. | The results indicated a moderate negative correlation between sleep efficiency and particular injury characteristics, including absence time, injury severity, and number of injuries. The linear regression analysis indicated that 44% of the total variance in the number of injuries (number) that can be explained by sleep efficiency, 24% of the total variance in the absence time after injury (days) that can be explained by sleep efficiency, and 47% of the total variance in the injury severity that can be explained by sleep efficiency. | Soccer players who exhibit lower sleep quality or non-restorative sleep show associations with increased amount and severity of musculoskeletal injuries. |
4. Discussion
4.1. Sleep and Athletic and/or Match Performance
4.2. Sleep and Training Load
4.3. Sleep and Injuries
4.4. Study Limitations, Future Research, and Practical Implications
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Conflicts of Interest
References
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Inclusion Criteria | Exclusion Criteria | |
---|---|---|
Population | Soccer players from any age group, competitive level, or sex. | Sports other than soccer (e.g., futsal, beach football, basketball, rugby, Australian football), physical education students, general population. |
Exposure | Players monitored for sleep quality and/or quantity. | Not controlled for sleep quality and/or quantity. |
Comparator | Not mandatory. If available: comparisons between players with regular sleep (>7 h) and players identified with sleep depreviation and/or sleep loss (insomnia). | Sleep disorders other than sleep deprivation and/or sleep loss (e.g., sleep apnea, restless legs syndrom, narcolepsy). |
Outcome | Relationships between objective and/or subjective sleep measures (e.g., number of hours of sleep; quality of sleep) and one of the following measures: (i) athletic performance (e.g., cardiorrespiratory fitness, anaerobic power, strength/power, mobility, speed, agility); (ii) match performance (e.g., cognitive performance, tactical/technical performance; match-running performance); (iii) training load (measures related to psychophysiological or physical load); and/or (iv) injury occurrence. | Other measures not related to athletic and match performance, training load, and injury occurrence (e.g., wellness measures). No effect of the exercise in sleep quality or quantity. Studies that analyzed the effect of exercise in sleep quality or quantity. |
Other | Only original studies (not restricted to any language). | Abstracts, proceedings, letters, and other non-original studies. |
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Clemente, F.M.; Afonso, J.; Costa, J.; Oliveira, R.; Pino-Ortega, J.; Rico-González, M. Relationships between Sleep, Athletic and Match Performance, Training Load, and Injuries: A Systematic Review of Soccer Players. Healthcare 2021, 9, 808. https://doi.org/10.3390/healthcare9070808
Clemente FM, Afonso J, Costa J, Oliveira R, Pino-Ortega J, Rico-González M. Relationships between Sleep, Athletic and Match Performance, Training Load, and Injuries: A Systematic Review of Soccer Players. Healthcare. 2021; 9(7):808. https://doi.org/10.3390/healthcare9070808
Chicago/Turabian StyleClemente, Filipe Manuel, José Afonso, Júlio Costa, Rafael Oliveira, José Pino-Ortega, and Markel Rico-González. 2021. "Relationships between Sleep, Athletic and Match Performance, Training Load, and Injuries: A Systematic Review of Soccer Players" Healthcare 9, no. 7: 808. https://doi.org/10.3390/healthcare9070808
APA StyleClemente, F. M., Afonso, J., Costa, J., Oliveira, R., Pino-Ortega, J., & Rico-González, M. (2021). Relationships between Sleep, Athletic and Match Performance, Training Load, and Injuries: A Systematic Review of Soccer Players. Healthcare, 9(7), 808. https://doi.org/10.3390/healthcare9070808