The most common and most likely answer to this crossword clue is the 7 letter word ROUSTED
I've seen this crossword clue in The Guardian
R
O
U
S
T
E
D
Buddy explains!

The straight part
We know that "disturbed" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case disturbed = rousted.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 ROUSTED mean?
ROUSTED verb- To rout out of bed; to rouse
- To harass, to treat in a rough way.
- To arrest
- To drive strongly