When I'm in a good routine, I run on my treadmill indoors. (I can't currently run outdoors for reasons I don't want to get into at the moment.) However, after a few weeks, especially if work/family life is getting stressful, I tend to stop running just because I want to work on something more mentally stimulating and tangibly productive with my extremely limited free time.

I have tried:

- Movies/TV Shows: I'm hit-or-miss when it comes to enjoying these. The ones I don't care for are boring to watch. The ones I like, I tend to get engrossed in them and pay more attention to the screen than my workout and end up phoning it in. Plus I'm not sure there are enough of these that I can watch one or half one one every single day. (Bonus: I don't watch anything with ads.)

- Music: I don't like most pop music, and the music that I DO like, I try not to listen to every day because I'll get sick of it that way and then I won't have any music to listen to when I want to listen to music. I can deal with high-energy EDM but 99% of it is not great, especially when binge-listening. Also I get tired of staring at a blank wall and so have tried finding live EDM performances to watch on YouTube. This is a lot of work and so far has worked okay but not perfect.

- Podcasts: There are a LOT of podcasts that I want to catch up on, but half the time I want to stop and take notes because the advice or information being given sounds really useful or seems worth following up on. Maybe there are comedy podcasts out there that I wouldn't hate?

- Audiobooks: I love reading but I have a hard time getting into audiobooks. Same issue with podcasts, I often want to stop and research topics and that would take me away from the treadmill.