My M27Q is nowhere close to 1000 nits but only 440 and even that with HDR is quite eye searing.
Tired eyes I guess

I have not had any issues with the HDR in games I play at 1000 nits. Plus you can adjust it in game with quite a few games

Please remember that any mention of competitors, hinting at competitors or offering to provide details of competitors will result in an account suspension. The full rules can be found under the 'Terms and Rules' link in the bottom right corner of your screen. Just don't mention competitors in any way, shape or form and you'll be OK.