Related Experiment Video
Updated: Mar 1, 2026
08:20
Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood
Published on: October 2, 2019
12.6K
Interrelationship between napping and nocturnal sleep: Insights from actigraphy and self-reported data
Yuanyuan Chen1, Yuxian Wei1, Xu Lei1
1Sleep and NeuroImaging Center, Faculty of Psychology, Southwest University, Chongqing 400715, China; Key Laboratory of Cognition and Personality (Southwest University), Ministry of Education, Chongqing 400715, China.
Physiology & Behavior
|February 27, 2026
Summary
Daytime naps minimally affect nighttime sleep, but habitual napping is linked to poorer sleep quality. Insufficient night sleep can increase daytime napping, creating a cycle impacting overall sleep health.
Area of Science:
- Sleep Science
- Chronobiology
- Behavioral Health
Background:
- Napping is common and linked to well-being.
- The interplay between napping and nocturnal sleep requires systematic investigation.
Purpose of the Study:
- To investigate the complex, bidirectional relationship between napping and nocturnal sleep.
- To examine how napping influences nocturnal sleep and vice versa.
Main Methods:
- Multilevel mixed-effects models were used.
- 1704 college freshmen wore actigraphy devices for five days and completed questionnaires.
- Analyzed same-day and habitual napping patterns, and the influence of prior nocturnal sleep on napping.
Main Results:
- Same-day napping showed minimal impact on nocturnal sleep.
- Habitual napping was associated with poorer nocturnal sleep quality.
- Prolonged sleep onset latency increased subsequent napping, but nocturnal sleep did not affect nap duration.
Conclusions:
- Same-day napping has little effect on nocturnal sleep.
- Habitual napping correlates with disturbed nocturnal sleep.
- Insufficient nocturnal sleep promotes daytime napping, suggesting a cyclical relationship impacting sleep hygiene.
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