Effects of thermal environment on sleep and circadian rhythm
Okamoto-Mizuno K, Mizuno K · Journal of Physiological Anthropology 31(1):14 · 2012
Key finding
Heat exposure increases wakefulness and reduces deep and REM sleep; humidity worsens it.
Citation
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Related studies
The temperature dependence of sleepFalling core temperature (via warm skin, cool room) is a trigger for sleep onset.Nighttime ambient temperature and sleep in community-dwelling older adultsSleep efficiency was best between ~20–25 °C (68–77 °F) in older adults and dropped 5–10% as rooms warmed — cooler is better, personal range matters.
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