Context: Well , compared to how I was sleeping , that is . Like I sometimes can stay asleep for 2 - 3 hours at a time ! I ' m not taking any sleeping pills , either . There are still many nights that I spend too many hours " sleep dozing " sitting up at the kitchen table , though .

Question: What may cause to doze off at the kitchen table ?
Options:
0. My sleeping pills make me start dozing at the kitchen table .
1. My sleep is n't restful .
2. I can only stay asleep for 2 - 3 hours .
3. I do n't get enough rest .
Answer: 3