Weekend sleep-ins may counteract the effects of lack of sleep during weekdays - Adults under the age of 65 who get 5 or fewer hours of sleep may have a higher risk of death compared to those who get 6 or 7 hours. However, individuals who then sleep longer on weekends had no raised mortality risk.

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Weekend sleep-ins may counteract the effects of lack of sleep during weekdays - Adults under the age of 65 who get 5 or fewer hours of sleep may have a higher risk of death compared to those who get 6 or 7 hours. However, individuals who then sleep longer on weekends had no raised mortality risk.