You own a body and not the reverse.
Body is made up of physical world and all the laws of physical world are applied to it. You are not part of physical world. You can not be experienced by five sensational nodes. You are an energy and follow the law of energy. You create matter, your transform into matter but you are you and you are the cause. Everything pulsates with energy. The body runs because of you. More you get confused with body more you become solid.
“Reduce your screen time” can be your first step in decluttering your head. Do that for one week and see the result.