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Open AccessArticle

Midday Napping and Successful Aging in Older People Living in the Mediterranean Region: The Epidemiological Mediterranean Islands Study (MEDIS)

1
Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University, 17671 Kallithea, Attica, Greece
2
Faculty of Health, University of Canberra, Bruce 2617, Australia
3
Parc Sanitari Sant Joan de Déu, Fundació Sant Joan de Déu, CIBERSAM, Universitat de Barcelona, 08007 Barcelona, Spain
4
Second Cardiology Clinic, School of Medicine, University of Athens, 10679 Athens, Greece
5
Department of Kinesiology and Health, School of Arts and Sciences, Rutgers University, New Brunswick, NJ 08901, USA
*
Author to whom correspondence should be addressed.
Brain Sci. 2020, 10(1), 14; https://doi.org/10.3390/brainsci10010014
Received: 24 November 2019 / Revised: 19 December 2019 / Accepted: 20 December 2019 / Published: 26 December 2019
(This article belongs to the Special Issue Disturbances of Sleep Among Older People)
The aim of the present study was to investigate the association between midday napping, sleeping hours, and successful aging among 2564 older (65+ years) individuals living in the insular Mediterranean region. Anthropometric, clinical, and socio-demographic characteristics, dietary habits, and lifestyle parameters were derived through standard procedures, while successful aging was evaluated using the validated Successful Aging Index (SAI; range 0–10). Of the 2564 participants, 74% reported midday napping. The SAI score was 2.9/10 for non-midday nappers vs. 3.5/10 for midday nappers (p = 0.001). Midday nappers were more likely to be physically active (p = 0.01) and to have higher adherence to the Mediterranean diet (p = 0.02) compared to non-midday nappers. In a fully adjusted model, midday nappers had 6.7% higher SAI score compared to the rest (p < 0.001), and the effect of midday napping was more prominent among males and participants 80+ years of age. Further analysis indicated a significant U-shaped trend between sleeping hours/day and SAI score (p < 0.001), with 8–9 h total of sleep/day, midday napping included, proposed as optimal in achieving the best SAI score. Midday napping seems to be a beneficial habit that should be promoted and encouraged in older people. View Full-Text
Keywords: midday napping; older adults; successful aging; Mediterranean region; sleep; MEDIS study midday napping; older adults; successful aging; Mediterranean region; sleep; MEDIS study
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Foscolou, A.; D’Cunha, N.M.; Naumovski, N.; Tyrovolas, S.; Rallidis, L.; Matalas, A.-L.; Polychronopoulos, E.; Sidossis, L.S.; Panagiotakos, D. Midday Napping and Successful Aging in Older People Living in the Mediterranean Region: The Epidemiological Mediterranean Islands Study (MEDIS). Brain Sci. 2020, 10, 14.

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