Circadian rhythms are 24-hour cycles that are part of the body’s internal clock, running in the background to carry out essential functions and processes. One of the most important and well-known circadian rhythms is the sleep-wake cycle.
The benefits of lighting that follow the natural sleep/wake cycles of the human body is known as circadian lighting. It is the concept that electric light can be used to support human health by minimizing the effect of electric light on the human circadian rhythm.