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Sleep Quality: A Focus on Sleep Structure
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Sleep Quality: A Focus on Sleep Structure

A special issue of International Journal of Environmental Research and Public Health (ISSN 1660-4601). This special issue belongs to the section "Global Health".

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 3098

Special Issue Editors

Dr. Giuseppe Barbato

E-Mail Website
Guest Editor
Department of Psychology, Università degli Studi della Campania, Luigi Vanvitelli, Viale Ellittico 31, 81100 Caserta, Italy
Interests: sleep; sleep disorders and sleep medicine; circadian rhythms; REM sleep polysomnography; sleep and mood disorders; depression; seasonal affective disorder; EEG signal processing; clinical neurophysiology
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Gianluca Ficca

E-Mail Website
Guest Editor
Department of Psychology, University of Campania "L.Vanvitelli", 81100 Caserta, Italy
Interests: sleep and memory; naps; subjective and objective sleep quality; sleep in the life-span

Special Issue Information

Dear Colleagues,

A “good night’s sleep” is traditionally associated with a prolonged sleep duration and stability of the sleep phase. Today’s sleep patterns are, however, characterized by a consistent reduction in sleep time, with the habitual sleep period that has to fit within a limited nighttime window, not sufficient to satisfy the whole sleep processes. Furthermore, the extensive use of artificial light at night (LAN) and the widespread use of portable light-emitting devices during late evening hours have extended the average length of the daily photoperiod, with a consequent delay in the melatonin secretion resulting in a significant impact on circadian phase relationship. All these factors contribute to a decreased sleep quality.

As also emphasized by the National Sleep Foundation that has suggested that individuals should focus on their own sleep quality, assessment and understanding of sleep quality is a critical issue on current sleep research.

Standard PSG parameters and quantitative EEG measures have provided no definitive evidence of objective indicators of sleep quality. Moreover, the manipulation of sleep, either as sleep restriction or deprivation of a specific sleep component (i.e., SWS), has failed to reveal significant and reproducible effects on subsequent waking performance.

PSG has been mainly used for traditional sleep scoring analysis, with a few studies addressing the analysis of sleep stage transitions and of sleep micro structure, which, in patient populations, have shown promising insights into the mechanisms of sleep organization.

This Special Issue will focus on understanding sleep structure either at macro and micro level, that can result in poor sleep quality, and also will look at cognitive task or psychotherapeutic techniques that throughout modifying sleep architecture can improve sleep quality. Papers addressing these topics are invited.

Dr. Giuseppe Barbato
Prof. Dr. Gianluca Ficca 
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. International Journal of Environmental Research and Public Health is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2500 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • sleep quality
  • sleep homeostasis
  • sleep–wake
  • wakefulness
  • circadian rhythm
  • NREM-REM cycle
  • REM sleep
  • delta sleep
  • arousal
  • mood
  • light
  • sleep disorders
  • cognitive performance
  • attention
  • memory
  • photoperiod

Related Special Issue

Published Papers (2 papers)

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Research

15 pages, 1723 KiB  
Article
Sleep Continuity, Stability and Cyclic Organization Are Impaired in Insomniacs: A Case–Control Study
by Francesca Conte, Serena Malloggi, Oreste De Rosa, Ilaria Di Iorio, Federica Romano, Fiorenza Giganti and Gianluca Ficca
Int. J. Environ. Res. Public Health 2023, 20(2), 1240; https://doi.org/10.3390/ijerph20021240 - 10 Jan 2023
Cited by 2 | Viewed by 1487
Abstract
The possibility of distinguishing insomniacs from good sleepers based on polysomnography (PSG) remains an open question. While these groups show modest differences in traditional PSG parameters, some studies suggest that finer measures may be more useful. Here we assess differences between good sleepers [...] Read more.
The possibility of distinguishing insomniacs from good sleepers based on polysomnography (PSG) remains an open question. While these groups show modest differences in traditional PSG parameters, some studies suggest that finer measures may be more useful. Here we assess differences between good sleepers (GS), poor sleepers (PS) and insomniacs (IN) in classical PSG measures as well as in sleep continuity, stability and cyclic organization. PSG-monitored sleep (two nights) of 17 IN (diagnosed through a standard clinical interview; Pittsburgh Sleep Quality Index (PSQI) ≥ 5, Insomnia Severity Index (ISI) > 14) was compared to that of 33 GS (PSQI < 5) and 20 PS (PSQI ≥ 5, ISI ≤ 14). Compared to GS, IN were impaired in sleep macrostructure (sleep latency, sleep efficiency, WASO%) and in continuity, stability and organization, whereas PS only showed disrupted continuity and stability. Spindle parameters were comparable between IN and GS, but the former displayed enhanced power in fast frequency bands. Our findings support the hypothesis of a continuum between individuals with self-reported poor sleep and insomniacs. Further, they add to extant data on impaired sleep continuity, stability and organization in poor sleepers and elderly individuals, underlining the utility of including these measures in standard sleep assessments. Full article
(This article belongs to the Special Issue Sleep Quality: A Focus on Sleep Structure)
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14 pages, 795 KiB  
Article
Bedtime and the Budget: Longitudinal, Actor–Partner Connections between Sleep Quality and Financial Management Behaviors in Newlywed Couples
by Matthew T. Saxey, Jeffrey P. Dew and Jeremy B. Yorgason
Int. J. Environ. Res. Public Health 2023, 20(1), 55; https://doi.org/10.3390/ijerph20010055 - 21 Dec 2022
Cited by 1 | Viewed by 1133
Abstract
Research from the American Psychological Association suggests that approximately 67% of U.S. adults are getting more or less sleep than desired, and over 80% of U.S. adults ages 18–43 are stressed about finances. Cross-sectional evidence suggests that there may be a connection between [...] Read more.
Research from the American Psychological Association suggests that approximately 67% of U.S. adults are getting more or less sleep than desired, and over 80% of U.S. adults ages 18–43 are stressed about finances. Cross-sectional evidence suggests that there may be a connection between the two. That is, some cross-sectional research suggests a contemporaneous association between sleep quality and finances. Using two waves of newlywed dyadic data (N = 1497 couples), we estimated a longitudinal structural equation model to test actor–partner associations between husbands’ and wives’ sleep quality and financial management behaviors. In these associations, we examined husbands’ and wives’ marital satisfaction as potential mediating variables. We found that both husbands’ and wives’ sleep quality longitudinally predicted their own and their partner’s financial management behaviors. Additionally, husbands’ and wives’ sleep quality—through wives’ marital satisfaction—indirectly and longitudinally predicted wives’ financial management behaviors. As financial practitioners encourage newlywed couples to consistently experience quality sleep, their financial management behaviors may benefit. We suggest that for newlywed couples, both partners’ bedtime may be longitudinally connected to both partners’ management of their budget. Full article
(This article belongs to the Special Issue Sleep Quality: A Focus on Sleep Structure)
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