Which term accurately defines the time measured as WASO?

Prepare for the Certification in Clinical Sleep Health exam. Use flashcards and multiple-choice questions with hints and explanations. Ace your exam!

Multiple Choice

Which term accurately defines the time measured as WASO?

Explanation:
WASO stands for Wake After Sleep Onset. It measures sleep continuity by summing all periods of wakefulness after you have fallen asleep during the main sleep period. It does not include time before sleep when you’re trying to fall asleep, nor the time you spend actually asleep, and it’s not about time spent in REM specifically. Practically, if you fall asleep at a certain time and wake intermittently through the night, the total minutes you’re awake after sleep onset make up WASO. Longer WASO indicates more fragmented, less continuous sleep and typically lower sleep efficiency.

WASO stands for Wake After Sleep Onset. It measures sleep continuity by summing all periods of wakefulness after you have fallen asleep during the main sleep period. It does not include time before sleep when you’re trying to fall asleep, nor the time you spend actually asleep, and it’s not about time spent in REM specifically. Practically, if you fall asleep at a certain time and wake intermittently through the night, the total minutes you’re awake after sleep onset make up WASO. Longer WASO indicates more fragmented, less continuous sleep and typically lower sleep efficiency.