I need help

For the past years, I'd say, I've just really succumed to procrastination. I suspect I might have ADHD, but that's a whole different conversation. The thing is, I can't get things done for the life of me, even when they're really important and will actually affect my future. Also, I used to be a huge reader, but I've noticed myself slowly go into a reading slump, mainly due to switching it for doomscrolling on social media. I can literally see how I've lost brain cells due to this massive change in habits.

I need help, does someone have any advice on how to get out of this?