Article ; Online: Benefits of napping habits in healthy adults: Maintaining alerting performance and cortisol levels change within 90 min of habitual napping time.
2024 Volume 119, Page(s) 214–221
Abstract: ... were performed every 30 min within 90 min in the absence of napping during the afternoon dip ...
Abstract | Background: Napping is garnering increased attention as a strategy for adults to sustain alertness and alleviate stress in contemporary society. The nuances of napping habits are emerging as an independent factor influencing the extent of individual benefits. This study aimed to demonstrate the long-term benefits of napping and explore the impact of napping habits on individual alertness, as well as whether this effect was correlated with cortisol levels. Methods: The study involved 80 healthy adults categorized into two groups based on self-reported napping habits: habitual nappers (n = 49) and non-habitual nappers (n = 31). Karolinska Sleepiness Scale (KSS), psychomotor vigilance task (PVT), and saliva collection were performed every 30 min within 90 min in the absence of napping during the afternoon dip. The measurements were analyzed using repeated measures ANOVA and Pearson correlation analyses. Results: There was an interaction between groups and time in reaction speed and lapse number of PVT and cortisol (all p < 0.05). Post hoc analysis found that habitual nappers maintained higher objective alertness and experienced more significant increases in cortisol over time (all p < 0.05). The cortisol levels at sleepiness time were negatively associated with the slowest 10 % reaction speed of PVT in non-habitual nappers (r = -0.409, p = 0.022). Conclusion: Under the premise of mitigating the impacts of acute nap deprivation on sleep homeostasis and rhythm, napping habits emerge as a potential factor influencing the ability of individuals to sustain heightened alertness. |
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Language | English |
Publishing date | 2024-04-17 |
Publishing country | Netherlands |
Document type | Journal Article |
ZDB-ID | 2012041-2 |
ISSN | 1878-5506 ; 1389-9457 |
ISSN (online) | 1878-5506 |
ISSN | 1389-9457 |
DOI | 10.1016/j.sleep.2024.04.021 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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