BEDTIME

Set to 2 different clues across 2 published puzzles, most often “11 p.m., for some” — The New York Times, Thursday, 4 May 2000.

7 letters

Every clue on record, most used first

11 p.m., for someonce
The New York Times — Thursday, 4 May 2000
It's after Letterman, for manyonce
The New York Times — Saturday, 17 December 1994