Obstructive sleep apnea is characterized by
a. complete cessation of respiratory activity for brief periods.
b. interruption of air flow and brief cessation of respiratory activity.
c. interruption of air flow without cessation of respiratory activity.
d. central nervous system disorders and trauma.
Question 2
Of the following, the only symptom that both patients with narcolepsy and patients with hypersomnia experience is
a. falling asleep during normal waking hours.
b. sudden loss of muscle tone.
c. sleep paralysis.
d. hypnagogic hallucinations.