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Is It Ok To Sleep 4 Hours One Night? [Solved]

For most people, 4 hours of sleep per night isn’t enough to wake up feeling rested and mentally alert, no matter how well they sleep. There’s a common myth that you can adapt to chronically restricted sleep, but there’s no evidence that the body functionally adapts to sleep deprivation.

Why 4 Hours Of Sleep Is Terrible For You — Even If You Don’t Feel Tired

Some people boast about being able to function on as little as

How many hours of sleep do you need?

David Coun, MD is a board-certified primary care doctor at Mount Sinai Doctors, seeing patients Monday through Friday in …

Scientist Explains How Some People Need Only 4 Hours of Sleep | WIRED

Researcher Ying-Hui Fu has found two rare genes that allow some people to be “natural short sleepers” who feel rested after a …