Nonrapid Eye Movement Sleep (Noun)
Meaning
A recurring sleep state during which rapid eye movements do not occur and dreaming does not occur; accounts for about 75% of normal sleep time.
Classification
Nouns denoting natural processes.
Examples
- Nonrapid eye movement sleep was the focus of the study, which sought to understand its role in memory consolidation and physical recovery.
- During nonrapid eye movement sleep, the brain activity slows down, and the body becomes less responsive to external stimuli.
- Research has shown that nonrapid eye movement sleep is essential for the clearance of waste products from the brain, including beta-amyloid plaques associated with Alzheimer's disease.
- Nonrapid eye movement sleep typically lasts for 90-120 minutes, after which the body transitions into rapid eye movement sleep.
- The proportion of nonrapid eye movement sleep decreases with age, which may contribute to age-related sleep disturbances and cognitive decline.