Examlex
Which systolic pressure should you report at once?
N1 Sleep
The first stage of the sleep cycle, characterized as the transition period from wakefulness to sleep, marked by light sleep and a reduction in muscle activity and awareness of the surroundings.
Circadian Rhythm
The internal biological clock that regulates the sleep-wake cycle and other physiological processes within approximately a 24-hour period.
Alpha Wave
A type of brain wave detected by electroencephalography (EEG) that indicates a state of physical and mental relaxation while being awake.
REM Rebound
The phenomenon where a person experiences increased amounts of REM sleep after being deprived of REM sleep in previous nights.
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