Skip to main content
Exercise and Fitness

Should you schedule your exercise based on your circadian rhythm?

Timing your workouts to align with your body's natural clock may benefit your cardiovascular health, new research suggests.

By , Executive Editor, Harvard Heart Letter
Print This Page

A small, short-term 2026 study suggests that people who schedule their exercise to align with their chronotype—the body’s natural sleep and wake cycle—may lower their heart risk factors more than those who exercise at times that don’t align with their chronotype.

To continue reading this article, you must log in.

Source matters. Subscribe to HarvardHealthOnline+ FREE for 30 days for unlimited access to the site – where all content is reviewed by an HMS physician or faculty expert.

With HHO+ you get these exclusive benefits:

  • Unlimited access to all Harvard Health Online content
  • 4 expertly curated newsletters delivered monthly
  • Customized website experience aligned to your health goals
  • In-depth health guides on topics like sleep, exercise, and more
  • Interactive features like videos and quizzes
  • Members-only access to exclusive articles and resources

SPECIAL OFFER! UNLOCK EXPERT ACCESS for 30 days FREE!

Already a member? Login ».

About the Author

photo of Julie Corliss

Julie Corliss, Executive Editor, Harvard Heart Letter

Julie Corliss has been the executive editor of the Harvard Heart Letter since 2013. She also writes for the Harvard Health Letter, Harvard Women’s Health Watch, and Harvard Men’s Health Watch, as well as for Harvard … See Full Bio
View all posts by Julie Corliss

About the Reviewer

photo of Jingyi Qian, Ph.D.

Jingyi Qian, Ph.D., Contributor

Jingyi Qian is an assistant professor of medicine at Harvard Medical School and associate director of the Medical Chronobiology Program in the Division of Sleep and Circadian Disorders at Brigham and Women’s Hospital (BWH). Her research … See Full Bio
View all posts by Jingyi Qian, Ph.D.
Print This Page

Disclaimer:

As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.

No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.

Free Healthbeat Signup

Get the latest in health news delivered to your inbox!

Sign Up