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