Waking up tired or wired? Your circadian rhythm could be off. Reset your internal clock with science-backed habits for deeper ...

The lamp improves sleep, mood, focus ... bright light that mimics natural sunlight and can help regulate your circadian rhythm. How many lumens should a light therapy lamp have for SAD?

Melatonin is a hormone in the brain that maintains your body's circadian rhythm, and therefore, regulates sleep. Taking ...

Don't be down about springing forward. Learn how to adjust to daylight saving time with five tips from medical professionals and sleep experts.