Examples of using "Сонливость" in a sentence and their english translations:
I fought off my desire to sleep.
Drowsy driving kills.
This medication causes sleepiness.
Feeling sleepy, I went to bed.
The medicine made me very sleepy.
Tom often feels drowsy after eating lunch.
After supper, I always find myself falling asleep.
So only return to bed when you are sleepy,
I didn't sleep much yesterday, so it was inevitable that I was sleepy all day today.