When it comes to staying healthy, everybody knows that "get a good night's sleep" is up there with "eat a balanced diet" and "get plenty of exercise." But what exactly is a "good night's sleep"? It didn't really have a medical definition — until 2017 when the National Sleep Foundation (NSF) published new recommendations in the journal Sleep Health.
What Makes Sleep "Good"?
The Four Criteria of Good Sleep
Written by Ashley Hamer February 2, 2017
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