In Phase 3, also referred to as deep rest, the body remains in recuperation setting, slowing down even better. At the very same time, total brain activity reduces as well as reveals a telltale pattern of pulses of activity that are believed to assist stop undesirable awakenings. The very first 3 phases of sleep are comprised of non-REM activity. Phase 1 is short, representing the act of dozing off as well as transitioning right into rest.

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