Neighbour yells in anguish every week

I go outside on my patio every Sunday with a friend, and for the past month, we've been hearing a man screaming. Occasionally, a loud thud noise from our walls.

Just today, we discovered it's my neighbour.

For context, I have a neighbour directly beside me in a town home. He lives alone and is a bit of an introvert, but he's pleasant to get along with. Our interactions never get further than small talk.

I know it's Sunday and NFL is on, but these screams seem to sound like a painful noise, almost like panic or in anguish. He also doesn't really strike me as a sports fan, but who knows.

He seems healthy when I see him. A little unkempt, but that's his normal. He still goes to work in the mornings, and I just smile and wave. I feel like I shouldn't do anything, it's not my business. However, these screams are getting really unsettling, I'm not sure how to handle it.

What would you do?