Refuse. Do you have a problem saying no? Why are you not setting boundaries? If your home life is important to you then you need to speak your mind. Tell them 'No, I dont want your promotion, I will be going home at a reasonable time to my family'. Is that so hard? Here's another tip - accept remote positions, and remove any business education from your resume.
Honestly, I do have a hard time saying no. Rarely is the conversation "We'd like to increase your responsibility, here is some more pay and a new title". It's more like "Hey, your opinion in stand up this morning was awesome, can you sit in on this meeting." This seems to lead into "You can't make it to yet another meeting about strategy with the investor's? Do you know what will happen if you're not there! It's the…
(If they suggest you need to suck it up and do both, just laugh it off as the wishful thinking that it is.)