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9.1 Sleep and dreaming

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Question 20

Nadia works night shifts. She now sleeps during the day, but her sleep still passes through repeating cycles of about 90 minutes.

Explain how Nadia's sleep shows both an ultradian rhythm and the influence of external factors on sleep.

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Markscheme

9.1 Sleep and dreaming Questions

  1. GCSE
  2. /Psychology
  3. /9.1 Sleep and dreaming

48 exam-style questions on Edexcel GCSE Psychology 9.1 Sleep and dreaming, covering 9.1.1 Functions, features and benefits of sleep, 9.1.2 Internal and external influences on sleep, 9.1.3 Sleep disorders, 9.1.4 Freudian theory of dreaming (Freud, 1900), and 9.1.5 Activation Synthesis Theory (Hobson and McCarley, 1977). Each one has a worked solution and a mark scheme showing where the marks go.

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