I’ve always been curious as to how the body seems to heal different issues primarily during sleep, for example I’ve had a few sebaceous cysts in my life and they’re always noticeably smaller when I wake up whereas while I’m awake I can’t generally tell if anything has happened at all. Or even say the dentist, had a few wisdom teeth pulled one tike and each consecutive day after sleep the pain / swelling has been reduced drastically.
I also have RA and most of the pain / swelling is always gone or reduced in the morning compared to the previous day / night ? In some sense it’s almost like my disease has been ‘reset’.
In: Biology
In short, the sleep cycle and circadian rhythm partly regulates the immune system. During the day, immune cells are searching the body for pathogenic invaders. At night, more energy is put into processes like healing and antibody production. It’s controlled by brain-body communication, hormone and cytokine signalling, and gene expression.
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