Examlex
Simplify the expression. Remove all negative and zero exponents. Assume the expression is defined.
Rapid Eye Movement
A phase of sleep characterized by the random movement of the eyes, dreaming, and increased brain activity.
Stage 2 Sleep
A stage of sleep characterized by the presence of sleep spindles and K complexes, representing a deeper sleep than stage 1 and accounting for approximately 50% of sleep time in adults.
Beta Wave
A type of brainwave pattern associated with active, alert cognition and wakefulness.
Alpha Wave
Brain waves detected by an electroencephalogram that indicate a state of relaxation or calmness, typically present when a person is awake but relaxed.
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