Context: I was with a big smile when I tried to go sleep . But the excitement that I already have Acer Aspire One kept me awake . I tried different ways to fall asleep , but I could n't .

Question: Why ca n't the speaker go to sleep ?
Options:
0. Their mouth hurts .
1. They are excited .
2. They have too much work to do .
3. They are scared .
Answer: 1