how do I stop wasting my time on my computer/phone?

I just started college this year and I've realized that the only thing that's really holding me back from being productive is wasting time on my phone/computer. I use them both to do homework, but I find myself spending most of my time watching youtube videos, playing games, or scrolling through social media. I've tried the following to minimize my screen time: <br><br>*turning off notifications<br>*taking breaks away from my phone/computer<br><br>but even with these methods, I still find myself constantly checking my phone and scrolling through social media or youtube. I just started college and this is a huge problem for me because I have a lot more free time than I did in high school and I'm wasting it all on stupid things like scrolling through tiktok. <br><br>Does anyone else have this problem? If so, how did you overcome it?