It took me a month to get used to my Corne, mostly because I went split, and 40% (dependent on layers for everything). This was during the pandemic, so I was also WFH and didn’t need to use the laptop keyboard for a couple years.

When my company returned to office, and I started using the laptop occasionally, it took a couple hours to wake up my row-stagger muscle memory, but I’m able to switch between ergo and my laptop without issue.

I use both regularly, no big issue switching. Don’t worry.

You’ll be fine. Just be patient as your muscle memory adapts.

Initially there was a difference for me, but now I can switch from one to another without a problem if I need to work on laptop keyboard for some reason.

I have three different kinds of keyboards. Regular, Alice and split ergo with columnar stagger. It always takes a little while to get back to speed when I switch boards. But I think that the layouts are different enough so that a distinct muscle memory forms for each one. I guess that the most important thing is that you should be fairly proficient with touch typing on a regular board before trying a different layout. If you are still in the phase of learning, I imagine that it gets really frustrating.