Even though it's a weekday Bob stays up late watching television instead of going to bed. Why does it do this?\nOptions:\n- pregnancy\n- hungry\n- insomnia\n- sleeping in\n- making love
Let's think carefully first. Step-by-step reasoning process:
User
Insomnia is the inability to sleep. People with insomnia tend to stay up late. People with insomnia tend to do some entertaining activity to kill boredom. Watching television is an entertaining activity. So the final answer is insomnia.
Assistant