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