I had my power settings set to have the computer “sleep” whenever the lid closes with battery or power. I’ve been bit twice now by closing the lid thinking all would be good and either setting it on the couch or putting in the padded sleeve I have for it to return shortly later and finding the laptop fan racing and a hot computer. For now, I’ve changed the lid action to “hibernate”; then it of course it takes longer to get a useable desktop again but considering the alternative that’s where I’m at.
There’s a few posts about this. It’s a known issue.
Thanks for the info!