I did n't get to bed until 6:30 AM and kept waking up , finally getting out of bed at 10:30 . I drank so much coffee to stay awake last night I ' m still all twitchy . My mind is racing all over and my body struggles to keep up .

Question: What may be the reason I drank so much ?
Answer: I had to watch a movie .I had to watch tv .None of the above choices .I work nights .