HOUSTON — A good night’s sleep is important for both the body and brain. It’s essential to understand the four stages of sleep and how to get more restful z’s. Stage 1: Transitional sleep The sleep ...
Light sleep is the beginning of your sleep cycle and your body's way of winding down. Breathing, heart rate and muscle changes prepare your body for the deeper sleep to come. Light sleep is broken ...
The amount of REM sleep you get may influence which details of your memories remain in storage, a new brain study suggests. The sleep cycle is split into four stages: one stage of rapid eye movement ...
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