Is it Possible to Manifest just by Thinking?

Some LOA (law of attraction) teachers say that you can’t manifest without taking action just by thinking.
But they don’t know that thinking is also an action.

Here is one of my life experiences.

My room was so messy at that time. I was feeling very uncomfortable seeing this messy room. I wanted to have my room clean and organised. But doing it by myself was very difficult because my room was full of staff. But many times I was just thinking to have a clean and organised room. After some days, my sister and my aunty (my father’s sister) visited me. And next day they both cleaned my entire room and organised it very beautifully.

I did nothing instead of just thinking to have a clean and organised room.