OCR GCSE Psychology · J203
Paper 2
Revise: Functions and Disorders of SleepThe sleep–wake cycle is a circadian rhythm: a biological pattern lasting approximately 24 hours. Two influences work together to keep it timed appropriately.
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GCSE Psychology · key term
A recurring biological rhythm lasting approximately 24 hours, such as the sleep–wake cycle.
Used by OCR
Paper 2
Revise: Functions and Disorders of SleepThe sleep–wake cycle is a circadian rhythm: a biological pattern lasting approximately 24 hours. Two influences work together to keep it timed appropriately.
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