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