This Is the Best Time of Day to Work Out, According to Science

Morning workouts have an edge

Working out in the morning — especially on an empty stomach — is the best way to burn stored fat, making it ideal for weight loss. That’s largely because the body’s hormonal composition in the morning is set up to support that goal, says Anthony Hackney, a professor in the department of exercise and sport science at the University of North Carolina Chapel Hill.

Afternoon workouts are almost as good

If you can swing a lunchtime workout, Hackney says that’s not a bad second choice — especially if you’re trying to do a very long or rigorous routine.

Nighttime workouts still come with perks

For many people, exercising is most convenient after work. But there’s a common belief that evening exercise perks you up so much that it’s difficult to fall asleep later.

The bottom line

If he had to pick a best time to exercise, morning would win, Hackney says. Early workouts make the most of your biology and psychology, potentially leading to better results and adherence over time. But there’s really no bad time to exercise, Hackney reiterates, and the most important thing is finding the time to do so, whenever works for you.
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