Examlex
Which of these word parts has an opposite meaning?
Sleepiness
A state of feeling drowsy or tired, often leading to a need for sleep.
Day
A period of 24 hours representing a full rotation of the Earth on its axis, traditionally divided into day (light) and night (dark) periods.
Sleep Spindles
Bursts of brain activity observable on an EEG that occur during stage 2 of sleep, believed to play a role in learning and memory.
Non-REM Sleep
A period of sleep that includes stages 1 through 3, characterized by a decrease in physiological activity and slower brain waves compared to REM sleep.
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