What Traditional Chinese Medicine says about the sleep cycle to maintain good health and prevent illness
According to the National Heart, Lung and Blood Institute (NHLBI), your sleep cycle goes through two phases.
1. First is the non-rapid eye movement (non-REM), which has three stages:
N1, the "falling asleep" stage – Your breathing and heartbeat slow down and your muscles begin to relax.
N2, the "light sleep" stage – Your…
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