Waking up at 3-4 am: “The Hour of the Soul” or neuroscience?
Scientific Facts – Sleep Science + The Human Body: Let’s put aside the myths of the “spirit clock” and delve into biology: 1. Why does the body wake up at 3-4 AM? The hormone cortisol. We have a “biological clock” called the circadian rhythm. This clock releases hormones according to the time of day. 3-4 … Read more