The worst two work barriers there are.
Most importantly and obviously – keep that personal phone on DND. In fact, put it out of site completely, to stop that aimless scrolling!
If you find yourself procrastinating and avoiding tasks at all costs, try and turn this time into a ‘positive’ procrastination. By this we mean doing all the little tasks or procrastinating with things you can benefit from. Such as brainstorming, planning, working on your notes etc.