snoozer

/ˈsnuːzər/
noun
  1. A person who sleeps or takes a nap, especially for a short time.
    • The conference room was full of snoozers after the heavy lunch.
    • He's a light snoozer, waking up at the smallest noise.
    • My cat is a professional snoozer who naps on the sofa all afternoon.
  2. Something that is very boring or causes sleepiness.
    • Don't pick a snoozer for the book club—choose something exciting.
    • That movie was a total snoozer; I almost fell asleep.
    • The lecture on tax law turned out to be a real snoozer.
Antonyms
What does "snoozer" mean? | whatsthatwordmean | whatsthatwordmean