From the Slopes to the Sauna: I Spent Four Days Living Like an Athlete Ahead of the Winter Olympics

For the first time in Winter Olympic history, the Games will be hosted across two cities, with both Milan and Cortina named ...

Forget about core sleep on your Apple Watch — this is the sleep metric you really need to pay attention to

What is core sleep is on your Apple Watch, and does it even matter? We look at which sleep stages matter most for quality ...