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