I have an M1 mini and some important advice for you in choosing a monitor for this particular device. Something about the M1 mini won’t wake all monitors from sleep mode. For example, when waking the monitor (Huion pen display) I have at home, I need to turn it off and on to wake it, in addition to taping the keyboard to wake the computer. I love the mini but this is rather inconvenient. I occasionally work at a clients office and the monitor there wakes fine. Don’t recall what brand or make it is.
You might be able to do a search for this issue and maybe get a list of monitors that work. Or if whichever monitor you buy doesn’t wake up right away you should return it and try another.