Relier Pairs Vocabulary sleeping habitsVersion en ligne Match the expression with the correct definition par Pedro Torres Hernandez 1 drift off 2 nod off 3 feel drowsy 4 be wide awake 5 be sound sleep 6 be fast asleep 7 sleep like a log 8 to take a power nap 9 toss and turn sleepy and having low energy to sleep very soundly , so well that noises don't even wake you up. to move about and turn over in bed because one is unable to sleep tossing and turning all night Someone who is fully awake and unable to sleep sleeping deeply you gradually fall asleep sleeping in a way that makes it difficult to wake you fall asleep unintentionally. to take a brief sleep during the day in order to improve one's alertness and ability to work efficiently throughout the remainder of the day