The most common and most likely answer to this crossword clue is the 11 letter word COUNTERPANE
I've seen this crossword clue in The Daily Telegraph
C
O
U
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T
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P
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More clues leading to the result COUNTERPANE
Buddy explains!
The straight part
We know that "that’s found on bed" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case that’s found on bed = counterpane.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 COUNTERPANE mean?
COUNTERPANE noun- The topmost covering of a bed, often functioning as a blanket; a coverlet.