Cortisol and melatonin are the seesaw hormones that help with sleep. Cortisol is suppressed at night when melatonin is high, ...

Your chronotype is based on natural daily fluctuations in your body temperature and hormones. Generally, body temp rises as ...

The answer: Start with these three science-backed sleep hacks, all of which are said to improve your circadian rhythm—the natural sleep-wake cycle that tells your body to go to sleep at night ...

When used wisely, they can work in sync with your circadian rhythm to improve sleep quality. Discover how these supplements may help you sleep better. Namita S Kalla May 28, 2025 / 11:24 IST ...

Your circadian rhythm controls far more than just sleep and wake times. It orchestrates hormone production, body temperature fluctuations, metabolism, and even immune function throughout each 24 ...

We also know that our circadian "clocks"—an internal mechanism that keeps us on a 24-hour, night-day cycle—function less well with age, and this contributes to sleep problems that can plague ...

While sneezing during sleep is generally not possible, it is possible to wake up to sneeze. If the body senses irritation in ...

It really is like clockwork. Their calls to abolish daylight time have largely been fruitless, but experts say the semi-annual hubbub provides an opportunity to reflect on an even more important cycle ...

When a person's central circadian rhythm was out of whack with respect to their sleep cycle, however, a negative effect was seen when an intern was doing shift work.