Sleep apnea is a condition in which there are periods of greatly restricted airflow during sleep resulting in
A) strain on the heart.
B) normal sleep patterns.
C) increased occurrences of nightmares.
D) inadequate REM sleep.

Question

Quizplus · Accepted Answer

D  Sleep apnea causes strain on the heart due to decreased oxygen levels and can lead to inadequate REM sleep because the interruptions in breathing can disrupt the sleep cycle.

Sleep Apnea Is a Condition in Which There Are Periods