Words similar to sleepiness

Example sentences for: sleepiness

How can you use “sleepiness” in a sentence? Here are some example sentences to help you improve your vocabulary:

A 6-d diary of sleep duration was added as part of a protocol to assess daytime sleepiness after the initiation of the cohort study; these data were available for 721 participants.
Average sleep duration was also estimated using a 6-d sleep diary, kept by 721 participants as part of an added protocol to measure daytime sleepiness.