The most common and most likely answer to this crossword clue is the 5 plus 5 letter word NIGHT SHIFT
I've seen this crossword clue in The Daily Telegraph
N
I
G
H
T
S
H
I
F
T
More clues leading to the result NIGHT SHIFT
- Cunningly fit things around husband’s late working
- Near end of August transfer part of the workforce?
- Staff in the habit of sleeping
- Those working late get a move on after dark
- Employees in the dark about close of plant, impending relocation
- Almost time to move these workers
- Workers in the dark altered fittings around first hotel, later hospital
Buddy explains!
The straight part
We know that "Staff/habit of sleeping" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case staff/habit of sleeping = night shift.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.