sleep

Feeling bright-eyed could be as simple as sticking to the 90-minute rule.

Study Notes takes a closer look at recent medical studies, its caveats and what it means for you.

This is Cooking the News, a daily column that pairs food with the news.

Natasha Turner shows you how a walk in the park reduces belly fat, clears your head and helps you heal.

When the sun goes down, the benefits of your run go up. Here’s how an after-hours jog might help you run faster, snack less and sleep better.