Sleeping and waking up at different times is associated with an increased risk of heart attack and stroke, even for people who get the recommended amount of sleep, according to new research. While ...

You don’t necessarily dream during every stage of sleep. They seem to happen mostly during the REM stage. Keep reading to learn more about dreams and the sleep cycle. Share on Pinterest Photographer, ...

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Two particular phases in your nightly routine seem to play outsize roles in cognitive health. By Mohana Ravindranath A good night’s sleep isn’t just about the number of hours you log. Getting quality ...

Morning sunlight plays a crucial role in regulating your body's internal clock, known as the circadian rhythm. Exposing your eyes to natural light shortly after waking acts as a reset button, ...