Hoping you can get YouTube somehow, this is a great video on using pulleys in specific ways to increase the load vs the effort.
An associated Wiki article.
I am planning on using something like this, thanks for the suggestion though.
Don’t worry, I will, that’s the only way I can get the motors, with permission. I also plan on having a human backup (someone with the rope in their hands in case something goes wrong.) and I will likely test it above a real mattress. Although I hate it, safety first 