Health claim
“Sleeping in a cool room (around 65°F / 18°C) leads to deeper slow‑wave sleep and better recovery.”
Claim checked — strong evidenceLow riskother
Evidence Summary
Multiple well-designed studies consistently support this claim.
Physiological data show that lower ambient temperatures facilitate the drop in core body temperature needed for slow‑wave sleep.
Extracted from
SLEEP EXPERT Reveals How To Optimize Your Sleep To LIVE LONGER! | Matt WalkerDr Rangan Chatterjee
Matt Walker, a leading sleep researcher, discusses evidence‑based strategies to improve sleep quality and duration, linking better sleep to longer, healthier lives.
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