Hypnagogia and lucidity don't factor into feeling refreshed, well rested and ready to start the day. What does is waking up during REM sleep (or stage 1 Non-Rem sleep) and getting enough slow-wave sleep (also known as stage 3 Non-REM sleep or deep Non-REM sleep.) Slow-wave sleep is when our body does its healing/maintenance work that makes us feel refreshed and well rested. When we wake up during slow-wave sleep, we aren't ready to start the day because we are transitioning from a state where our mind is much less active than when we're awake. During the first couple of sleep cycles, there tends to be more slow-wave sleep than REM sleep and after that, there tends to be more REM sleep than slow-wave sleep. |
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