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 ...

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 ...

You’ve probably heard about early birds and night owls. Both are references to sleep chronotypes, or the body’s natural inclination to be awake or asleep at certain times. “Your chronotype is driven ...

When it comes to your ideal sleep schedule, you're either a bear, lion, wolf or dolphin. Here's what to know. Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a ...

Early to rise makes a person healthy and wise? Not necessarily. Depending on how your body clock is wired, the opposite may be true! Every person's body is set to follow daily patterns, including one ...