The most common and most likely answer to this crossword clue is the 12 letter word FOUR-POSTERS
I've seen this crossword clue in Independent
F
O
U
R
-
P
O
S
T
E
R
S
Buddy explains!
The straight part
We know that "Beds?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case beds? = four-posters.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 FOUR-POSTERS mean?
FOUR-POSTERS noun- A four-poster bed, which has four high posts, one at each corner, supporting a canopy.