If you struggle to fall asleep or wake up feeling groggy, an out-of-sync circadian rhythm could be to blame. This internal 24 ...

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 ...

Our bodies are regulated by an internal circadian clock that aligns physiological processes to a 24-hour day-to-night cycle. However, the timing of this rhythm can vary: some people are ‘early birds’ ...

The glamorous image of frequent travel – collecting passport stamps, experiencing new cultures, living out of luxurious ...

When is the best time to take nap? A sleep doctor reveals the optimal time of day to take a nap in order to feel rested and ...

Winter and its effects on some people's mood are far behind us, but the same effects can occur in summer, despite the ...

Sleep is essential for our survival—just like food and water. Yet, almost two out of three people in the US don’t get enough ...

Seasonal affective disorder (SAD) is commonly associated with autumn and winter months, but it can also emerge during the ...

This led to the Command Readiness, Endurance, and Watchstanding (CREW) program, developed by the Naval Health Research Center. Sailors were first equipped with wearable monitoring devices in 2021.

Melatonin is often called the “sleep hormone” because it helps regulate sleep-wake cycles. It is produced by the pineal gland ...

Shockingly, the CDC says one in three adults aren't getting enough sleep. Here are nine ways to fix your sleep schedule.