Dialogue:

W: Wake up. It's almost eight o'clock.

M: No, please. Let me sleep on! I couldn't get to sleep until 3 o'clock this morning.

W: Why? What's wrong with you?

M: I felt pain all over my body. Can you get me some medicine?

W: Will aspirin do?

M: No, aspirin isn't strong enough.

W: Then I can do nothing but call for a doctor.

Question: Why did the man get to sleep so late? 

- He is doing some medicine research.

- He talked with his friend.

- He felt pain.


He felt pain.