Sleep disorders

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Author:
gracebee101
ID:
233326
Filename:
Sleep disorders
Updated:
2013-09-08 02:49:41
Tags:
Psychology
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Description:
info on various sleep stuff
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  1. Sleep disorders (6)
    • Insomnia
    • sleep apnea
    • parasomnias
    • Dreaming
    • shift work
    • jet lag
  2. Insomnia (3)
    • difficult in falling and staying asleep
    • reduced sleep quality and quantity
    • impaired daytime functioning
  3. Types of insomnias (2)
    • Primary insomnias - disorders that exist on their own
    • secondary insomnias - sleep disturbances in presence of another mental, medical, sleep disorder or drug effects
  4. At risk for insomnia? (5)
    • Sub groups more at risk
    • shift workers,
    • people with obsessive and anxious traits
    • patients with a medical or psychiatric history
    • aged
  5. Sleep apnea (7)
    • collapse of upper airway
    • awakens sufferer
    • mild forms = snoring
    • sever form = stop breathing
    • awakens sufferer as defense mechanism = restore breathing
    • can happen 400 times a night
    • causes daytime sleepiness
  6. Parasomnias (6)
    • Sleep walking, night terrors, nightmares
    • more common in children
    • night terrors and sleep walking = SWS
    • nightmares = REM
    • parasomnias typically reduce with age as REm and SWS decrease with age
    • can reappear when stressed
  7. Dreaming (4)
    • Usually ordianary
    • can incorporate experienes from daily events
    • fears and anxieties can enter our dreaming
    • sensory stimuli from sleeping environment may intrude on dreaming content
  8. circadian related sleep disorder: Shift work (2)
    • mismatch in endogenous rhythm 
    • person trying to stay awake = circadian rhythm signals slee
  9. circadian related sleep disorder: Jet lag (3)
    • internal body clock out of sync with day night cycle of new environment
    • circadian rhythm shifts about one hour a day
    • social demands also impact timing of sleep
  10. How to measure states of awareness?(2)
    • heart rate
    • blood pressure
  11. Hypersomnia (4)
    • being sleepy during day and sleeping too much at night
    • most profound type = narcolepsy
    • narcolepsy = sleep seizure 
    • sudden, irresistible attacks of drowsiness and REM sleep during day
  12. Treatments for insomnia (4)
    • Good sleep hygiene
    • stimulus control therapy
    • Sleep restoration therapy
    • Cognitive behaviour therapy
  13. Good sleep hygiene (6)
    • don't nap
    • avoid alcohol
    • cigarettes
    • caffeine within 5 hours
    • don't exercise 2 hours before bed
    • avoid bright lights before bed
  14. Stimulus control therapy (5)
    • 1 only go to bed when sleepy
    • 2 allow yourself 15-20 mins to fall asleep
    • 3 if not asleep in 15-20 mins, go to other room and engage in SEDENTARY activity (eg reading) until feel sleepy
    • 4 repeat steps 1-3 as often as necessary
    • 5 get up at same time every morning
  15. Sleep restriction therapy (6)
    • 1 determine usual rise time
    • 2 determine average number of hours that you spend asleep each night
    • 3 work backwards from wake time to determine bed time
    • 4 go to bed at new bedtime for one week
    • 5 if you do not fill night with sleep, repeat 1-3 to identify an appropriate later bed time
    • 6 if you fill your time in bed with sleep, wait several days to begin increasing bed time by 15 mins
  16. Cognitive behaviour therapy (5)
    • aims to reduce dysfunctional thoughts that prevent sleep
    • reduces worry and anxiety by providing accurate info:
    •    may be getting more sleep than you think
    •    may need less sleep than you thought
    • cognitive techniques help people identify, challenge and replace negative, inaccurate sleep thoughts with accurate, positive sleep thoughts
  17. Methods used to study sleep (5)
    • Polysomnography
    • EEG
    • EMG
    • EOG
    • self-reports
  18. Polysomnograph
    intensive study of a sleeping person involving simultaneously monitoring and recording of physiological responses during sleep
  19. Electroencephalograph (EEG) (2)
    • records electrical activity spontaneously generated by brain during sleep
    • show the distinguishable patterns of electrical activity
  20. Electromyograph (EMG) (3)
    • device used to detect, amplify and record the electrical activity of muscles
    • show strength of electrical activity in muscles, indicates tension or movement
    • done by attaching electrodes to chosen muscles
  21. Electro-oculogram (EOG) (3)
    • device for measuring eye movements
    • detaching, amplifying and recording electrical activity in eye muscles
    • electrodes attatched to areas around eyes
  22. Self-reports (7)
    • sleep diary and sleep logs
    • most commonly used in conjunction with polysomnographic tests
    • typically involve time go to bed,
    • when fall asleep
    • number, time and length of awakenings
    • time waking
    • time leave bed

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