Is there such a thing as too much sleep?

Discovery Health

It is possible to sleep too much. A six-year study of one million adults revealed that the highest mortality rates occurred in those who either slept more than eight hours or less than four hours a night.

Routinely sleeping more than eight hours can lead to high blood pressure, depression and heart disease. Another study shows that people who average more than nine hours of sleep per night have twice the risk of developing Parkinson's disease as those who average six hours of sleep or less per night.

Continue Learning about Healthy Sleeping

Healthy Sleeping

Healthy Sleeping

Healthy sleep isn't just about getting enough sleep; getting the right kind counts, too. While you sleep your brain stays active, and it actually takes several stages of sleep to make you feel well and refreshed. Just how much sle...

ep we need changes as we age, from 16 to 18 hours a day for newborns to 7 to 8 hours a night for adults. If you find yourself feeling tired or fatigued during the day even after a full night in bed, you may have a sleep disorder. See your family doctor or a sleep specialist for help.

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.