Crossword Genius

With long novel one's late to bed (5,3)

Ross

I believe the answer is:

night owl

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'one's late to bed' is the definition.
I can't judge whether this definition defines the answer.

'with long novel' is the wordplay.
'novel' indicates anagramming the letters (letters in a new or novel order).
'with'+'long'='withlong'
'withlong' with letters rearranged gives 'NIGHT-OWL'.

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(Other definitions for night owl that I've seen before include "Nocturnal human (with a bird)" , "One active after dark" , "Person who likes to be active late in the day" , "One preferring to work when it's dark" , "One working late" .)

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