Benefits of napping in healthy adults: impact of nap length, time of day, age, and experience with napping

Milner CE, Cote KA · Journal of Sleep Research 18(2):272–281 · 2009

Key finding

Short (10–20 min) early-afternoon naps improve alertness with little sleep inertia; long/late naps cut into night sleep.

Citation

Authors
Milner CE, Cote KA
Published in
Journal of Sleep Research 18(2):272–281
Year
2009
Topic
Exercise, RHR & energy

Read the paper ↗

Related guides

Naps and the afternoon dip

Related studies

Effects of exercise on the resting heart rateEndurance training lowers resting heart rate by ~5 bpm on average; yoga also lowers it.The effects of physical activity on sleepRegular exercise modestly improves total sleep, efficiency and deep sleep.Effects of evening exercise on sleep in healthy participantsEvening exercise does not harm sleep — unless vigorous exercise ends within ~1 h of bedtime.The bidirectional relationship between exercise and sleepBetter sleep → more exercise → better sleep: a loop worth starting anywhere.Effects of chronic exercise on feelings of energy and fatigueAcross 70 trials, regular exercise reliably increased feelings of energy and reduced fatigue — Galpin's 'stress inoculation'.

Track it, don't guess it

SleepShred turns this research into a 20-second daily habit: log your night, see which of your own behaviours move your sleep, and screen for the disorders nobody diagnoses.

Get SleepShred for iPhone

Educational summary of published research, not medical advice. Screening scores are not diagnoses. If a score is elevated or you feel unwell, talk to a clinician.