Are you an early bird, a night owl, or something else? Your sleep chronotype is your body’s natural pattern of sleeping and waking. Knowing your sleep chronotype is key to figuring out when you’re ...

Most people acknowledge that there are two types of sleepers in the world—early birds and night owls—but research has shown that there are actually four or more sleep-wake cycles. The time you ...

Being forced to go to sleep and wake up earlier than your chronotype has consequences. Are you a night owl who cringes—maybe even yawns—at phrases like “the early bird catches the worm”? If so, Matt ...

Chronotype is the behavioral manifestation of many underlying physiological processes. Those who wake up and go to sleep relatively early are Morning Types, while Evening Types go to sleep and wake up ...

Whether you’re listening to a news podcast debating the merits of changing school start times or consuming IG content from an expert urging the government to end daylight savings time, you’re likely ...

If you feel more sluggish during certain times of the day, it could be due to your sleep chronotype. The chronotype affects the body’s natural tendency to be asleep or awake, according to the Sleep ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. If so, you could be at higher risk of ...