He did n't sleep , hell , he rarely slept . He had drank so much that the alcohol caused him to blank out in his mind . He was comatose .
According to the above context, choose the best option to answer the following question.
Question: What is the reason for the man 's unresponsiveness ?
Options:
- The man is stubborn .
 - None of the above choices .
 - The man has drank too much .
 - The man is passive aggressive .


The man has drank too much .