Context: It 's a tiring day . I slept really late ( or early ) this morning and I could barely think right before I speak . I ' m always having this half a second lag when I talk .

Question: What may be the reason for this situation ?
Options:
0. They had done a lot of walking around that day .
1. They had stayed up late the night before .
2. They needed to drink coffee in the morning .
3. They had school all day .
Answer: 1

Question: Why is the narrator failing to wake up early ?
Options:
0. None of the above choices .
1. The narrator does not get enough sleep .
2. The narrator has a medical condition .
3. The narrator has kids .
Answer: 1