Studies have found that exercising before bed not only does not affect sleep but also helps people fall asleep faster. However, people who exercise at high intensity, intermittently, less than 1 hour before bedtime will have more difficulty falling asleep and have poorer sleep quality.

The body's circadian rhythm or biological clock plays an important role in many processes such as sleep-wake cycles, hormone secretion, cardiovascular health, homeostasis, and body temperature regulation. Melatonin is an important hormone in synchronizing the biological clock.

Our vibrant world is full of colors and you may not know about their effects on human health. The following article will answer readers' questions about which colors are good for health, which colors are good for the eyes and their effects on the body.

The human body's biological clock, also known as the circadian rhythm, can be disrupted by a number of things, such as getting too little daylight, consuming too much caffeine, or neglecting regular exercise. This article will look at the best and easiest ways you can "reset" your body clock to ensure you get a good night's sleep.

Circadian rhythm sleep disorders are problems with our biological rhythms. “Our internal body clock keeps our biological processes on track. Our normal circadian rhythm is set by a 24-hour cycle of light and dark. It plays an important role in when we sleep and when we wake.”

There are big differences between your sleep when you’re young and when you’re middle-aged. Nearly half of men and women over age 65 say they have at least one sleep problem. But overall, older people’s sleep is more disrupted than younger people’s.

Circadian rhythms are the 24-hour cycles of the body’s “internal clock” to perform functions and processes essential to survival. One of the most important and well-known circadian rhythms is the sleep-wake cycle. The following article will explain more about the circadian rhythms of the human body.