Understanding the need for sleep to improve cognition

RLF Leong, MWL Chee - Annual review of psychology, 2023 - annualreviews.org
The restorative function of sleep is shaped by its duration, timing, continuity, subjective
quality, and efficiency. Current sleep recommendations specify only nocturnal duration and …

[HTML][HTML] Systematic review and meta-analyses on the effects of afternoon napping on cognition

RLF Leong, JC Lo, MWL Chee - Sleep Medicine Reviews, 2022 - Elsevier
Naps are increasingly considered a means to boost cognitive performance. We quantified
the cognitive effects of napping in 60 samples from 54 studies. 52 samples evaluated …

Multi-night validation of a sleep tracking ring in adolescents compared with a research actigraph and polysomnography

NIYN Chee, S Ghorbani, HA Golkashani… - Nature and science of …, 2021 - Taylor & Francis
Background Wearable devices have tremendous potential for large-scale longitudinal
measurement of sleep, but their accuracy needs to be validated. We compared the …

[HTML][HTML] Bedtime procrastination and chronotype differentially predict adolescent sleep on school nights and non-school nights

Z Pu, RLF Leong, MWL Chee, SAA Massar - Sleep Health, 2022 - Elsevier
Objectives Bedtime procrastination (BTP) refers to the tendency to delay sleep beyond an
intended bedtime, in favor of continuing evening activities. BTP has been associated with …

Actigraphy-based sleep detection: validation with polysomnography and comparison of performance for nighttime and daytime sleep during simulated shift work

C Gao, P Li, CJ Morris, X Zheng, MC Ulsa… - Nature and science of …, 2022 - Taylor & Francis
Purpose Actigraphy-based sleep detection algorithms were mostly validated using nighttime
sleep, and their performance in detecting daytime sleep is unclear. We evaluated and …

Napping and circadian sleep–wake regulation during healthy aging

M Deantoni, M Reyt, M Baillet, M Dourte, S De Haan… - Sleep, 2024 - academic.oup.com
Abstract Study Objectives Daytime napping is frequently reported among the older
population and has attracted increasing attention due to its association with multiple health …

Splitting sleep between the night and a daytime nap reduces homeostatic sleep pressure and enhances long-term memory

JN Cousins, RLF Leong, SA Jamaluddin, ASC Ng… - Scientific Reports, 2021 - nature.com
Daytime naps have been linked with enhanced memory encoding and consolidation. It
remains unclear how a daily napping schedule impacts learning throughout the day, and …

Memory performance following napping in habitual and non-habitual nappers

RLF Leong, N Yu, JL Ong, ASC Ng, SA Jamaluddin… - sleep, 2021 - academic.oup.com
Abstract Study Objectives Afternoon naps benefit memory but this may depend on whether
one is a habitual napper (HN;≥ 1 nap/week) or non-habitual napper (NN). Here, we …

Staying vigilant during recurrent sleep restriction: dose-response effects of time-in-bed and benefits of daytime napping

JCY Lo, TB Koa, JL Ong, JJ Gooley, MWL Chee - Sleep, 2022 - academic.oup.com
Abstract Study Objectives We characterized vigilance deterioration with increasing time-on-
task (ToT) during recurrent sleep restriction of different extents on simulated weekdays and …

Daily relations between nap occurrence, duration, and timing and nocturnal sleep patterns in college students

EM Rea, LM Nicholson, MP Mead, AH Egbert… - Sleep Health, 2022 - Elsevier
Abstract Objective/Design Sleep patterns change during college, and students may nap to
compensate for lost sleep. Despite the increased prevalence of napping among students …