Not getting enough sleep can take a toll on an individual’s health, but getting too much sleep can also be the cause of health problems. The recommendation of hours of sleep adults should sleep is seven to nine hours per night. Sleeping six hours in a 24 hour period is linked to many health problems. Sleep deprivation causes drowsy driving, accidents, injuries, and deaths. People who sleep more than nine to ten hours a night can be at a higher risk of stroke, although the reason may be unclear. The amount of sleep individuals should be getting is seven to nine hours a night.