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