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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
- 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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