Sentence 1: It was finals week at school. 
 Sentence 3: I pulled three all nighters that week 
 Sentence 4:  I survived the exams 
 Sentence 5:  Then I slept for two days straight 
 Option 1: Luckily, I had been studying hard all year and it wasn't as bad as I thought. 
 Option 2: I had one test each day for five days.