Health claim
“Consistently getting 7–9 hours of sleep per night reduces the risk of cardiovascular disease.”
Claim checked — strong evidenceMedium risklongevity
Evidence Summary
Multiple well-designed studies consistently support this claim.
Large cohort studies consistently show lower incidence of heart disease among adults who sleep 7–9 hours compared with short sleepers.
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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