What Is Bright Light Therapy?

What Is Bright Light Therapy?

Bright light therapy – also known as phototherapy – is used safely for many illnesses, but its most common application is to treat a kind of depression called seasonal affective disorder, or SAD. The efficacy … Read more


What Is Circadian Rhythm? 1

What Is Circadian Rhythm?

One of the most important and well-known circadian rhythms in the human body is the sleep-wake cycle. A circadian rhythm is a 24-hour cycle that is part of the body’s internal clock and runs in … Read more


What Is Melatonin? 2

What Is Melatonin?

Melatonin is a hormone produced primarily by the hypothalamus, a pea-sized gland located in the middle of the human brain. While some people consider melatonin a sleeping pill, it doesn’t work that way. Darkness triggers … Read more