1. It consists of REM and non-REM sleep.
  2. Sleep cycles are controlled by the suprachiasmatic nucleus. 
  3. Most growth hormones are produced during stage 3 and 4 of sleep
  4. Dreams occur during non-REM sleep 
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1 Answers

Option 4 : Dreams occur during non-REM sleep 

Concept:

  • Sleep is a routine process which occurs in every human life it composes of REM and NREM stages
  • Random eye movement starts the cycle which is continued with non random eye movement
  • Sleep cycle is regulated by the suprachiasmatic nucleus
  • Sleep cycle consists of 4 stages during 3rd and 4th stage of NREM phase the person can have dreams

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  •  Growth hormones are produced from the pitutary gland of hypothalamus
    • Excessive hormone leads to - Gigantism
    • Deficit hormone leads to dwarfism
  • Dream analysis is a therapeutic technique used to analyse the dreams - Sigmund Freud given the dream analysis
  • Insomnia - lack of sleep
  • Somnambulism - Sleep walk
  • Narcolepsy - Excessive sleeping
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