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circadian rhythm

a roughly 24-hour cycle which is determined by aninternal body clock, e.g. the sleep-wake cycle.

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Psychology term of the day

September 29th 2021

stimulant

a drug which increases activation of the central nervoussystem and the autonomic nervous system;decreasing fatigue, increasing physical activity andalertness, diminish hunger, and result in a temporaryelevation of mood.