Examlex
How do class and caste systems differ?
Dreaming
A series of thoughts, images, or emotions occurring during sleep, often associated with REM (rapid eye movement) sleep phases.
Night's Sleep
The period of rest during night time where the body and mind undergo restorative processes.
REM Sleep
A stage of sleep characterized by rapid eye movement, during which most vivid dreaming occurs, and is considered important for learning and memory processes.
Electroencephalograph
An instrument used to record the electrical activity of the brain.
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