Matching Pairs VocabularyOnline version Match the expressions with their definitions. by Pablo Contreras 1 Take evening classes 2 Wake up 3 Sleep 4 Take a nap 5 Fall asleep 6 Semester 7 Regular job one of the periods into which a year is divided at a college or university, especially in the US and Australia to cease sleeping to begin sleeping a job that you have all the time for the standard amount of hours, usually 8 hours a day. To sleep for a short period of time separate from one's primary period of sleeping, especially in the middle of the day. a class held in the evenings at certain colleges, normally for adults. the resting state in which the body is not active and the mind is unconscious