The most common and most likely answer to this crossword clue is the 7 letter word BEDTIME
I've seen this crossword clue in The Guardian
B
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More clues leading to the result BEDTIME
- Unexpected debt I'm beginning to experience when retirement's due
- Send society girl back, now it's late evening?
- When to tuck in?
- Dark type of story
- When lids should be closed?
- The point of retirement is to live with little money keeping afloat at the end
- Retire now for hours to spend in the garden?
- Issue person joining society raised — when should people retire?
- Type of story found in part of garden magazine?
- Raised issue with party girl: when does she sleep?
Buddy explains!

The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does BEDTIME mean?
BEDTIME noun- The time or hour at which one retires to bed in order to sleep.