I heard that in nature, humans were getting up when the sun raises , does that mean that they were sleeping much longer on winter?

Question

I heard that in nature, humans were getting up when the sun raises , does that mean that they were sleeping much longer on winter?

In: 2669

Answer 1

this is all about [Circadian rhythms](https://en.wikipedia.org/wiki/Circadian_rhythm), basically the bodies 24hr Wake/Sleep cycle. This can vary, based on season, your work schedule (ie night shift) etc but is determined by the regular, consistent daily wake/sleep patterns you establish.

[That concept simply means that when we synchronize our internal clocks with nature’s, we can optimize sleep, energy and health](https://en.wikipedia.org/wiki/Circadian_rhythm#/media/File:Biological_clock_human.svg). It really comes down to being attuned to your hormones (as opposed to light/dark per se)

For example: our sleep hormone, melatonin, is naturally secreted around 9-10pm. We normally feel tired-ish around this time but many bypass it and enter a whole new wakefulness cycle. If you were to fall asleep regularly 10pm every night, you would begin to get amazingly restorative sleep and wake up refreshed. waking up is really a matter of this hormone wearing off and cortisol production beginning