snoozer
/ˈsnuːzər/Definitions
1. noun
a person who sleeps a lot or has a tendency to oversleep
“After pulling an all-nighter to finish the project, John became a snoozer for the next few days.”
2. noun
an alarm clock or device that wakes a sleeper
“The snoozer on my nightstand started ringing again, so I got out of bed.”
3. verb
to sleep or sleep in late
“I snoozed through my alarm clock and overslept by an hour.”