Many wakeful nights did she sit by my bedside in trembling expectation that each hour would be my last."
There was still only one night staff for wakeful duty.
He himself was feeling quite wakeful and even lively, tho he didn't know why.
They are dreams that stem from the things you have seen or heard during wakeful hours.
He thought the night time staff requirement was one wakeful night staff and another in the building on call.