Many prominent people claim an early start to their day is the key to their success. CEOs, world leaders and influential figures often tout routines involving early mornings, and hustle culture echoes ...

Those who prefer to be up during the late night hours might see some effects on their mental health. We spoke with an expert ...

Being a night owl can be bad for your heart. That may sound surprising but a large study found people who are more active late at night — when most of the population is winding down or already asleep ...

This story is from The Pulse, a weekly health and science podcast. Find it on Apple Podcasts, Spotify, or wherever you get your podcasts. In general, our circadian rhythms are governed by the ...

Morning people get all the press. (“Morning routine” are words found in countless article headlines; a phrase like “start your day at 8:30 a.m.” is not.) After all: My best friend Richard Branson ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. If you’re groggy in the morning but perky ...