Class 3 - Sleep Disorders

Question 1

What are examples of primary sleep disorders? (7)

Answer 1

• insomnia
• Obstructive sleep apnea
• restless leg syndrome
• Circadian rhythm sleep disorders
• hypersomnia (narcolepsy)
• parasomnias
• includes various behaviours like sleepwalking, sleep terror and REM behavioural disorders

Question 2

What are secondary sleep disorders? (2)

Answer 2

• occur due to other situations
• correcting that situation should resolve the problem
  ie. chronic pain, meds

Question 3

What are examples of circadian rhythm sleep disorders? (3)

Answer 3

• jet lag/shift work sleep disruptions
• Advanced sleep phase disorder
• Delayed sleep phase disorder

Question 4

Why does jet lag and shift work sleep disruptions cause CRSD?

Answer 4

• disconnect with the environment and circadian rhythm

Question 5

What is advanced sleep phase disorder?

Answer 5

circadian rhythm is ahead
- onset is quicker than socially normal

Question 6

What is delayed sleep phase disorder?

Answer 6

• struggle to feel fatigue or tiredness

Question 7

Shift work sleep disruptions map

Answer 7

Question 8

What are some examples of sleep-disordered breathing? (3)

Answer 8

• obstructive sleep apnea
• Obesity hypoventilation syndrome
• central sleep apnea (neurological)

Question 9

What occurs in obstructive sleep apnea? (2)

Answer 9

• soft palate collapsing, tongue falling back, enlarged tonsils
• linked w/ obesity but not causative

Question 10

What occurs in obesity hypoventilation syndrome? 92)

Answer 10

• laying flat/prone
• additional weight not allowing lungs to expand

Question 11

What are 2 sleep-related movement disorders?

Answer 11

RLS and periodic limb movements during sleep

Question 12

What is the cause of sleep related movement disorders? (3)

Answer 12

• low iron
• genetics (5-10%)
• secondary to other health conditions

Question 13

What are symptoms of sleep-related movement disorders? (2)

Answer 13

• crawling feeling
• urge to move limbs

Question 14

When is sleep-related movement disorders prevalent? (4)

Answer 14

• greater in women, esp. during pregnancy
• worse in evening and night
• disturbs sleep
• PLMS common

Question 15

What is the treatment for sleep-related movement disorders? (5)

Answer 15

• moderate daytime exercise
• iron
• calcium
• dopaminergic agents, anticonvulsants, benodiazapines, opiods (severe)
• rule out mild dehydration - if water helps, daytime H2O