Getting less than six hours sleep a night increases risk of early death, The Independent

Not sleeping releases hormones that increase stress levels, speed up the heart rate and raise blood pressure

Adults who sleep less than six hours a night are at higher risk for dementia

Are You Getting Enough Sleep? Five Hours or Less Linked to Higher Risk of Multiple Diseases & Death

Sleeping for more than eight hours a day raises risk of death, study finds

Getting less than SIX hours' sleep a night 'increases chance of early death' from a heart attack or stroke

Poor sleep linked to dementia and early death, study finds

Sleep Deprivation: Symptoms, Treatment, & Effects

Over 9 hours of sleep a night makes you '4 TIMES more likely to die early

Not sleeping sufficiently? Less than 6 hours of sleep can double death risk

No, Night Owls Aren't Doomed to Die Early - The New York Times

Less than six hours sleep linked to early death or cancer - Yahoo Sports

100+ Sleep Statistics - Facts and Data About Sleep 2024