Physical performance
What Is the Relationship Between Exercise and Sleep?
Discover how sleep and exercise affect each other and help you achieve optimal health.
Physical performance
Physical performance
Want to sleep better? Lift some weights.
Results of a new study show that resistance exercise promotes better sleep among inactive adults, especially those who are poor sleepers.
Physical performance
How champions sleep: Allyson Felix
Learn how Olympic legend Allyson Felix takes care of her sleep.