AP PSYCHOLOGY

Detailed explanation-1: -A typical circadian rhythm in humans is one where peak alertness is around 2-3 hours after awakening and 8-9 hours after awakening, and where fatigue is most likely at around 3 AM, if you wake up like most people do at around 7-9 AM in the morning. However, this rhythm is impacted by many factors and it can be shifted.

Detailed explanation-2: -Exercise is a strong entrainment signal for mammalian circadian clock. Proper exercise can have a significant circadian phase-shifting effect and affect the sleep and wake schedule in human. Disruption of the circadian rhythm also has significant influences on the exercise function.

Detailed explanation-3: -The light/dark cycle of the sun has a powerful effect on the circadian clock, sleep, and alertness. Your body’s circadian clock responds to light, as a signal to be awake, and dark, as a signal to fall asleep. Increase your amount of light during the day to be more alert.