Individuals with a sleep efficiency of 90%
A)spend more of their "bed time" awake than asleep.
B)have a diagnosable sleep disorder.
C)need to increase the number of hours in bed.
D)spend 10% of their "bed time" awake.

Question

Quizplus · Accepted Answer

Sleep efficiency is calculated by dividing the total time spent asleep by the total time spent in bed. A sleep efficiency of 90% indicates that the individual spends 90% of their "bed time" asleep and only 10% awake. Therefore, the correct answer is D.

Individuals with a Sleep Efficiency of 90