NREM sleep
NREM sleep | |
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Term | NREM sleep |
Short definition | NPV - The probability that a person with a negative test result actually does not have the disease, condition, biomarker, or mutation (change) in the gene tested. NPV is a way to measure how accurate a particular test is. |
Type | Cancer terms |
Specialty | Oncology |
Language | English |
Source | NCI |
Comments |
NREM sleep - The phase of sleep known as the quiet or restful phase. During the three stages of NREM sleep, a person falls asleep and then moves from light sleep to deep sleep. This occurs when a person's brain activity, breathing, and heart rate slow down, body temperature drops, muscles relax, and eye movements stop. NREM sleep plays an important role in helping the body repair tissues, build bones and muscles, and boost its immune system. During normal sleep, a person goes through four to five sleep cycles, each lasting about 90 minutes, which include both NREM and REM sleep. Also called non-rapid eye movement sleep and non-REM sleep
External links
- Medical encyclopedia article on NREM sleep
- Wikipedia's article - NREM sleep
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