Up and at 'em (5)
'up and at 'em' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for awake that I've seen before include "No longer in the land of Nod" , "Tossing and turning" , "Rouse; vigilant" , "Alive and alert" , "Conscious and (usually) open-eyed" .)
'up and at 'em' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for arisen that I've seen before include "Sprung up" , "(Having) occurred" , "Up on the rocks" , "(Has) cropped up" , "It's appeared" .)