Health claim
“Poor sleep impairs immune function, making you more susceptible to infections.”
Claim checked — strong evidenceLow riskother
Evidence Summary
Multiple well-designed studies consistently support this claim.
Experimental research demonstrates reduced vaccine responses and increased infection rates after sleep restriction.
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.
Watch breakdown →