Sleep-wake disorder

Question 1

Define Insomnia disorder

Answer 1

difficulty falling asleep or staying asleep

Can be independent, comorbid with mental disorder, another sleep disorder, and medical condition

Question 2

Define Hypersomnolence disorders

Answer 2

sleeps too mucha dn feels excessively tired despite normal or because of prolonged quantity of sleep.

Question 3

Define Parasomnias

Answer 3

marked by unusual behaviour, experiences, or physiological events during sleep.
3 subtypes
- non-REM movement sleep arousal disorders. incomplete awakening from sleep accompanied by either sleep walking of sleep terror disorder
- Nightmare disorder - which nightmares induce awakening repeatedly and cause distress and impairment
- REM sleep behaviour disorder vocal or motor behaviour during sleep.

Question 4

Define Narcolepsy

Answer 4

marked by sleep attacks, usually with loss of muscle tone cataplexy

Question 5

Define Breathing related sleep disorders

Answer 5

3 types

• Obstructive sleep apnea hypopnea - apneas and hypopnea that occur repeatedly during sleep, causing snoring and daytime sleepiness
• central sleep apnea - cheyne- stokes breathing in addition to apneas and hypopnea
• Sleep related hypoventilation causes increase CO2 from decrease respiration.

Question 6

Define Restless legs syndrome

Answer 6

compulsive movement of legs during sleep

Question 7

Define Circadian Rhythm sleep wake disorder

Answer 7

pattern of sleep disruption that alters or misaligns a person’s circadian system = insomnia or excessive sleeping

• Delayed sleep phase types - sleep wake times are several hours later than desired
• Advanced sleep phase type easier than usual sleep onset and wake up times
• irregular sleep wake type - fragmented sleep thought a 24hr with no major sleep period and no discernible sleep wake circadian rhythm
• Non 24 hr sleep wake type - circadian period not aligned with outside environment. most common among blind or visually impaired
• Shift work type
• unspecified type - doesn’t meet the above criteria.