Which of these is characteristic of sleep apnea?
a. involuntary movements of the arms and legs during sleep
b. periods without breathing during sleeping
c. tendency to fall asleep suddenly during the day
d. sleep walking and sleep terrors
Question 2
What is a likely consequence if someone's temperature rhythm is phase-delayed?
a. waking up frequently during the night
b. having problems going to sleep after losing your job
c. difficulty falling asleep
d. not breathing during the night
