I'm 15 and might be more productive than you(joshternyak.com)
joshternyak.com
I'm 15 and might be more productive than you
https://joshternyak.com/how-i-maximize-my-productivity/index.html
https://joshternyak.com/how-i-maximize-my-productivity/index.html
Perhaps your article title should say you intend to limit your screentime to less than 20 minutes a day :-)