Your master clock
Circadian rhythms are 24-hour cycles that are part of the body’s internal clock. Your sleep-wake cycle, or your master clock, is the most well-known. A healthy master clock can promote consistent and restorative sleep. But when it is thrown off, it can create significant sleeping problems, like insomnia. Here are some more interesting facts about the circadian rhythm: It is influenced by light exposure. Natural light causes the master clock to send signals that keep us awake and active. As night falls, the master clock initiates feelings of sleepiness. It exists in all types of organisms. Master clocks help flowers open and close at the right time and keep nocturnal animals asleep during the day. It influences all activities in the body. It plays a role in physical and mental health, and has an influence on the immune system. It is vital for the digestive system, and effects metabolism and weight. Excessive caffeine can throw off your circadian rhythm. It can keep you awake and in...