When two people share a bed, and one has to get up in the morning. Some people tend to repeatedly hit the snooze bar, over and over, disturbing the hell out of the person who doesn't have to get up. This can be from once or twice to dozens of times.
She had to work at 10 AM, set the alarm for FOUR, and hit snooze two dozen times.
I could have strangled her, that's total