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

Sleep Deprivation Death Statistics [Fresh Research] • Gitnux

Sleeping for Longer Than 8 Hours Could Mean Greater Risk of Early Death, Study Says

Insomnia Can Kill You - The New York Times

Exercise May Help Counteract the Toll of Poor Sleep, Study Suggests - The New York Times

/healthcare/healthcare-07-00001/articl

Lack of Sleep May Lead to Early Death, Study Finds

Sleeping less than 6 hours a night in midlife raises risk of dementia 30%, study finds

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

53 Sleep Statistics: How Many People Are Sleep Deprived?

Deep sleep, memory formation go hand-in-hand. Scientists are also finding links to dementia

Poor sleep linked to dementia and early death, study finds

Six to 8 Hours a Night May Be the Sweet Spot for Sleep - The New York Times

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