- Reviewed by Anthony L. Komaroff, MD, Editor in Chief, Harvard Health Letter
A quick catnap can be refreshing and provide just the right reset to keep up your energy and concentration. But what about a lot of little catnaps — or even a great big snooze after every meal? Too much daytime sleeping can indicate a serious health problem.
How much is too much?
The optimal amount of sleep we need each night is seven to nine hours. Getting more or less than that is linked to cognitive decline, obesity, heart disease, and premature death. A direct cause hasn’t been established conclusively, but there’s growing evidence to suggest that possibility.
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About the Author
Heidi Godman, Executive Editor, Harvard Health Letter
About the Reviewer
Anthony L. Komaroff, MD, Editor in Chief, Harvard Health Letter
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