No longer asleep needing a wash (5)
I believe the answer is:
awake
'no longer asleep' is the definition.
I can't tell whether this definition defines the answer.
'a wash' is the wordplay.
'wash' becomes 'wake' (I've seen this before).
'a'+'wake'='AWAKE'
'needing' acts as a link.
Can you help me to learn more?
(Other definitions for awake that I've seen before include "Make active again" , "Come to" , "Patriotic song 'The West's .....'" , "Conscious and (usually) open-eyed" , "Cease sleeping" .)