why r all of way more active at night
Answers
Explanation:
Dr. Teofilo Lee-Chiong, MD, a sleep expert and professor at National Jewish Health, told us that "this phenomenon … which refers to a temporary increase in energy in a person who is fatigued or sleepy … is sometimes referred to as 'second wind,' and has many possible causes in different individuals."
INSIDER spoke to several doctors and sleep experts on the many culprits that contribute to this sleep-related phenomenon.
The body is supposed to have a burst of energy in the early evening
Terry Cralle, RN, clinical sleep educator and Saatva sleep consultant, explained that "adults have two peaks of alertness during the day, one in the morning and again in early evening. We often call that second peak the forbidden zone or wake maintenance zone (WMZ)."
Humans have a circadian alerting system — an internal biological clock that regulates the timing of periods of sleepiness and wakefulness throughout the day — as well as a homeostatic sleep drive, which is the body's natural drive to go to sleep as the day grows long. However, during this second peak of wakefulness (about two to three hours before bedtime), the circadian alerting system counteracts the bodies natural urge to sleep and forces us to wake back up...
Some researchers theorize that humans evolved this way so that they could be alert to the dangers posed by predators that came out at night," Cralle said.
Dr. Lee-Chiong explained that if someone feels fatigued during the day, they will rest or take a nap to treat the sleepiness, which "results in the increased energy at night."
Dr. Sanam Hafeez, neuropsychologist and faculty member at Columbia University, says that "common practice daytime naps are not an adequate way to complement your nightly sleep deficit … daytime sleeping can exacerbate your insomnia and have a negative effect on your homeostatic sleep drive.....
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