It helps to give your loved one something purposeful to do. Depending on the stage they are at and their behaviors, past hobbies or career, etc. Some options are folding laundry, puzzles, fidget quilts, activity boards, sorting activities (sorting buttons or nuts and bolts) into a muffin tin. You can find fidget quilts and boards, puzzles on Amazon and Etsy.
Also, look on Pinterest for more activity ideas.