“In general, people sleep better when it’s cooler,” says Johnson. However, if it’s cold outside and we jack up the heat, then ...

If you often stay up late, your sleep habits could be putting your heart at risk. New research suggests that people who go to ...

In the new study, researchers demonstrated that the human brain falls asleep abruptly, rather than gradually, with a "tipping point" marking the transition from wakefulness into sleep. They were then ...

Have you heard of sleep divorce? It’s the idea that while a couple may still be together, they choose to sleep in separate beds. This concept always makes me think of an episode of "I Love Lucy." ...

Everyone knows staying hydrated is important, but new research highlights just how important it is for a less obviously related area of health—sleep. In the hypohydrated state, participants slept ...