Sleep Settings Too Complicated for MS

I have a laptop with W10. I went to power & sleep settings.

I set "On battery power, turn off after" to NEVER. 

I set "When plugged in, turn off after" to NEVER. 

I set "On battery power, PC goes to sleep after" to NEVER. 

I set "When plugged in, PC goes to sleep after" to NEVER. 

...

Can anyone explain to me why my computer keeps going to sleep when I leave it, open, plugged in, untouched?

Is this really too hard?