sleep disorders

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4 Terms

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types of sleep apnoea

  1. obstructive sleep apnoea → relaxation of pharynx occludes trachea, common in obese men

  2. central sleep apnoea: decreased respiratory drive to diaphragm causing hypoxia and hypecapnia, prolonged episodes causes cognitive decline

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narcolepsy

issues in lateral hypothalamic area → no orexin is released → excessive daytime sleepiness

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encephalitis lethargica

inflammation of posterior hypothalamus tubulomammilary nucleus → no histamine

patients are stuck in a statue like state

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types of insomnia

  1. transient insomnia → due to jet lag, night shift, noises

  2. intermediate insomnia → due to emotions and illness

  3. chronic insomnia: due to mental health issues, psychiatric disorders