Discover when your body naturally burns the most calories during the day, why this metabolic peak occurs, and how to synchronize your eating and exercise ...

When you need sleep depends on what’s called your chronotype—your body’s natural inclination towards certain times of day.

Are you a night owl who cringes—maybe even yawns ... It’s not to be confused with circadian rhythm, or your body’s 24-hour internal clock, which is similar from person to person—and ...

The circadian rhythm—our body’s natural 24-hour clock—regulates when we feel sleepy and when we feel alert. It governs the ...

How your sleep patterns shape your weight by influencing hormones, cravings, metabolism, and appetite beyond diet and ...

However, if you’re a night owl by nature ... have something called delayed sleep phase syndrome. “One of the circadian rhythm disorders that’s very common is delayed sleep phase disorder ...

Regularly staying up past midnight disrupts sleep cycles, leading to weight gain, poor mood, stress, and reduced focus.

Do late-night study sessions truly offer the environment conducive to learning and self-evaluation that individuals desire?

Jennifer Lopez once claimed she kickstarts her days before 5am – but one brain expert argues there are far better health ...

The singer and former First Lady were both reported to be early risers, but one neurologist claims getting out of bed early ...