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Psychology cover artwork
  1. GCSE
  3. Psychology Edexcel

Psychology

Psychology cover artwork
  1. GCSE
  3. Psychology Edexcel
  5. 9.1.2 Internal and external influences on sleep

9.1.2 Internal and external influences on sleep

Spec 1PS0

Revise Edexcel GCSE Psychology 9.1.2 Internal and external influences on sleep with the question bank, lessons, revision guides, and flashcards.

Understand the internal and external influences on sleep, including strengths and weaknesses of each explanation: • a. bodily rhythms, to include (i) circadian rhythms (ii) ultradian rhythms • b. hormones, to include (i) pineal gland (ii) melatonin • c. zeitgebers, to include (i) light

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