Circadian Rhythm
The body's natural clock to regulate your daily 24 hour cycle.
This is interesting. Biologically/ancestorally, we have had our days revolve around the sun and earths rotation. Therefore, you would think we have some correlation between them and our energy levels/sleep schedule.
But we invented forms of light starting with fire then electricity. So, health influencers are now talking about how we should follow the historical nature of light and reduce night light.
- within 60 minutes of waking (earlier the better), they say to get a certain amount of lux.
- affects the secretion of melatonin, a hormone critical for sleep onset and quality
Circadian rhythms are governed by the suprachiasmatic nucleus (SCN) located in the hypothalamus, which serves as the central clock of the human body