Sleep & NighttimeEvidence check
Does Exercising in the Evening Hurt Your Sleep? What Studies Show
Sleep advice often says to stop exercising three or four hours before bed. But a review of 23 studies found evening exercise didn't harm sleep overall, and slightly increased deep sleep. The exception was hard exercise ending within an hour of bedtime. A second review found even high-intensity workouts 2 to 4 hours before bed didn't disrupt sleep. Here is what the studies tested and who they leave out.











