Clue: Who'll shortly send you to sleep? (3,6,6)
Answer: WEE WILLIE WINKIE
Explanation: Who'll shortly send you to sleep? (3,6,6)
Crypyic definition, with a play on 'shortly' for WEE. The character comes from an 1841 poem/nursery rhyme in Scots dialect written by one William Miller. And a follow-on from last Sunday's 1A SLEEP TIGHT.