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Bookmark or Share- The Stages of Sleep: What Happens During Each - HealthlineSleep is one of the most important activities for good health. During sleep, your body cycles through four different stages. These all impact your brain waves, muscle relaxation, recovery, and...
- 4 Stages of Sleep: NREM, REM, and the Sleep Cycle - Verywell HealthThe 4 Stages of Sleep. What happens in the brain and body during NREM and REM sleep. By Kendra Cherry. Updated on May 11, 2023. Medically reviewed by Daniel Combs, MD. Fact checked by Nick Blackmer. Print. Table of Contents. View All. NREM Stage 1. NREM Stage 2. NREM Stage 3. Stage 4: REM Sleep. Sequence of Sleep Stages.
- What Is Sleep? Why, When, and How Our Bodies Rest - Sleep DoctorKey Takeaway. Sleep is a vital natural process that allows the body and mind to rest and recover. The sleep cycle consists of distinct stages, including NREM and REM sleep, each with a specific role in maintaining your health. Sleep is regulated by your circadian rhythm, and its importance extends to cognitive, emotional, and physical health.
- What Happens When You Sleep: The Science of Sleep - Sleep FoundationWhen you sleep, your body undergoes a series of changes that enable the rest that is vital to your overall health. Sleep allows the brain and body to slow down and engage in processes of recovery, promoting better physical and mental performance the next day and over the long-term.
- Science of Sleep: What is Sleep? | Sleep Medicine - Harvard UniversitySleep is a state that is characterized by changes in brain wave activity, breathing, heart rate, body temperature, and other physiological functions. Depending on the sleep stage, different physiological functions may be more active and variable (for example, during REM sleep), or less active and more stable (for example, during NREM.
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