The Science of Sleep: Why 7 Hours Isn't Enough for Everyone
We’ve all heard the “get 8 hours” advice. But sleep science has moved well beyond one-size-fits-all recommendations. Your optimal sleep duration depends on genetics, age, activity level, and even the season.
The Sleep Duration Myth # The National Sleep Foundation recommends 7-9 hours for adults, but that range exists for a reason. A 2024 study in Nature Human Behaviour found that individual sleep needs can vary by as much as 3 hours between people of the same age.