Non-REM (NREM) sleep is a stage of sleep where your body relaxes and repairs itself. It's important for feeling rested and refreshed, as it helps with physical recovery and memory consolidation.
When you wake up feeling rejuvenated after a good night's sleep, you've likely spent enough time in NREM sleep.
REM sleep is characterized by rapid eye movement and heightened brain activity, associated with vivid dreaming, while NREM sleep consists of three stages, including deep sleep, where the body undergoes restorative processes and brain activity slows significantly.
Non-REM sleep parasomnias are abnormal behaviors or experiences that occur during NREM sleep, such as sleepwalking, night terrors, and sleep talking, often resulting from incomplete transitions between sleep stages.
Non-REM sleep is essential for physical restoration, memory consolidation, and overall health, making it a crucial component of a healthy sleep cycle; however, disruptions can lead to negative effects on well-being.
During non-REM sleep, the body experiences reduced heart rate and breathing, muscle relaxation, and a drop in body temperature, facilitating recovery, growth, and immune function.
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