The most common and most likely answer to this crossword clue is the 9 letter word RESIDENTS
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Buddy explains!
The straight part
We know that "doctors with long hours" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case doctors with long hours = residents.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 RESIDENTS mean?
RESIDENTS noun- A person, animal or plant living at a certain location or in a certain area.
- A bird which does not migrate during the course of the year.
- A physician receiving specialized medical training.
- A diplomatic representative who resides at a foreign court, usually of inferior rank to an ambassador.
- A legal permanent resident, someone who maintains residency.
- The head spy in a rezidentura.