snoozer

1. One who snoozes; a sleeper.

2. (разговорное)Something that is boring, uninteresting or unremarkable; something that would tend to induce sleep.

   The program is usually pretty good, but last Wednesday's episode was a real snoozer.

3. (Британия, устаревшее)A thief who steals from hotel rooms while staying as a hotel guest.

правильный