PSYCHOLOGY OF EMOTIONS

Detailed explanation-1: -Circadian rhythm is the 24-hour internal clock in our brain that regulates cycles of alertness and sleepiness by responding to light changes in our environment.

Detailed explanation-2: -A circadian rhythm (/sərˈkeɪdiən/), or circadian cycle, is a natural, internal process that regulates the sleep–wake cycle and repeats roughly every 24 hours.

Detailed explanation-3: -The individual cellular clocks run on a cycle that is close to 24 hours. This is known as a circadian rhythm (“circa-” = about and “dian” = pertaining to a day). But because the clocks are not exact, the clocks of individual cells can drift apart from each other or from the earth’s day-night cycle.

Detailed explanation-4: -Circadian: Meaning “about a day; ‘’ any rhythm can be desribed as circadian if its period is approximately 24h.