Getting less than six hours sleep a night increases risk of early death, The Independent
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Not sleeping releases hormones that increase stress levels, speed up the heart rate and raise blood pressure
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Sleeping for more than eight hours each night increases risk of early death, study finds, London Evening Standard
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What is the right amount of sleep each night and how could missing it RUIN your health?
Sleeping more than eight hours per night could increase risk of early death, finds study, The Independent
Sleeping less than six hours could increase your risk of dementia and premature death
Sleeping less than 6 hours a night in midlife raises risk of dementia 30 per cent, study finds