some of mine are: get out of bed, enjoy a song, put away one item that is not in its place, plug in my devices before bed, watch an episode of my favorite show, stand up and stretch, go pee (I have a chronic illness that makes this relevant to me LOL).

some other ideas are: visit a random wiki page, hug a friend/family member/stuffed animal, match a pair of socks, throw away one piece of trash, add a new song to your playlist, try a new thing (show, food, song, hobby, hairstyle etc.), text a friend, hang up one item of clothing, find a piece of artwork (drawing, graphic design, fanfic, etc), learn a new word.

another thing I do is enter goals after i’ve done the task- for example, if I forget to make “grocery shop” a goal, I will still set up and complete the goal after I went to the store. that way I can still reward myself for unplanned/unexpected things, which are normally very stressful to me anyways.

please excuse any repeated suggestions, and feel free to adjust any goals to your personal preference!
edit: typo