Chapter 17: Sleep and Sleep-Wake Disorders

Question 1

REM sleep **

Answer 1

• rapid eye movements
• loss of muscle movements
• vivid dreaming
• ANS changes

Question 2

Non-REM sleep **

Answer 2

• quiet type of sleep
• relatively inactive yet full regulating brain
• fully moveable body

Question 3

4 stages of Non-REM sleep **

Answer 3

1. Low voltage mixed frequency pattern (EEG activity) occurs at sleep onset, 1-7 minutes, easily arousible, breathing is cyclic, can include brief periods of apnea
3. 4.

Question 4

Sleep Apnea **

Answer 4

1. central sleep apnea (rare disorder involving the CNS)
2. obstructive apnea (upper airway obstruction i.e. obesity)
3. apnea (hypopnea periods per hour)

Diagnosis: sleep studies, EOG, EEG, polysomnography