What does the cryptic crossword clue "Cricketing legend Amiss sleeps it off (6,2)" mean?

The wordplay uses a charade (building blocks). SOBERS (synonym="SOBERS") + UP (synonym="Amiss") = SOBERSUP The answer is SOBERSUP.

Cricketing legend Amiss sleeps it off (6,2)

Guardian Cryptic #29606 | 19 Down | 2025-01-31 flower