Back when I had severe memory problems because of health problems, one thing that helped me was using the Reminders App. I added a Siri shortcut, so as soon as

Back when I had severe memory problems because of health problems, one thing that helped me was using the Reminders App. I added a Siri shortcut, so as soon as I realized what I had to do, I added it there and whenever I felt like I was missing something, would just reference it. Sticky Notes can work really well too, if you don't let them get out of hand.