Sleeping Over 9 Hours Nightly Can Shorten Your Life — New Study Shows

A groundbreaking meta-analysis of over 2 million adults shows that regularly sleeping 9 hours or more each night is linked to a 34% increase in death risk, while consistently sleeping under 7 hours carries a 14% higher mortality risk—compared to the optimal 7–8 hour sweet spot. Both extremes also significantly raise the chances of stroke and cardiovascular disease. ([turn0search10]turn0search9]turn0search6])

In this video:

Understand the U-shaped curve of sleep risk: both too little and too much are dangerous. ([turn0search7]turn0search6])

Learn why oversleep may be a marker of underlying health conditions, rather than just a behavior. ([turn0search9]turn0search3])

Discover public health recommendations to maintain optimal sleep habits and support longevity.

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