NFL star Aaron Rodgers went to a darkness retreat to contemplate his future. What is that and how does it work?

For four days this week, home for Green Bay Packers quarterback Aaron Rodgers was a pitch-black room. There were no phones, no television, no lights or distractions. Just Rodgers, alone with his thoughts, in a cabin built specifically for prolonged isolation in the dark.

source https://www.cnn.com/2023/02/26/us/aaron-rodgers-darkness-retreat-wellness-ctpr/index.html