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