Indicate there's nothing in making a bed (4)
I believe the answer is:
bode
'indicate' is the definition.
(boding is a kind of indicating)
'nothing in making a bed' is the wordplay.
'nothing' becomes 'O' (looks like zero - 0).
'in' means one lot of letters goes inside another.
'making' is an anagram indicator.
'bed' anagrammed gives 'bde'.
'o' placed into 'bde' is 'BODE'.
'there's' acts as a link.
(Other definitions for bode that I've seen before include "Augur (well or ill)" , "Waited" , "predict" , "Augur, foreshadow" , "Portend, foretell" .)