Sleeping In This Weekend?

How long should you sleep for longevity?

In one study, researchers followed over 21,000 twins for more than 22 years.

They asked questions about the twins' sleep habits and looked at their longevity.

Twins make great research subjects because most of them grew up in the same environment and the have the same (or similar) genetic makeups.

Because of this, researchers can isolate the impact of a behavior (say, sleep duration) to an outcome (like longevity).

Read the results in the full article HERE.

Photo Credit: Getty Images

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