Health claim
“Napping for 20‑30 minutes during the day can improve alertness without harming nighttime sleep.”
Claim checked — strong evidenceLow riskother
Evidence Summary
Multiple well-designed studies consistently support this claim.
Controlled studies demonstrate short naps enhance subjective alertness and performance without causing sleep inertia.
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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