The night and day difference light makes on your lifespan
Before the invention of the electric light, people tended to go to bed when the sun went down and rise when the sun came up. Nights were dark, and days were bright, a cycle conducive to sleep. This natural cycle, known as the circadian rhythm, is a 24-hour internal clock that regulates the sleep-wake cycle and other bodily functions. Today, things are different. Light bombards every part of our lives…