Good or Bad idea?

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If you need a break, go.

Maybe a break will do you good a little time apart might help. If he's better when you get home then give him a little and relieve some stress

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Quoting Radame N Angela Robles:" So lately DH has been working too shifts and has been really stressed out which i understand cus he's ... [snip!] ... the weekend, im thinking about going to my mom's do you think this is a bad idea? I'd leave tonight and be back sunday night."

Yes, I do believe it is a bad idea. Not that you need space to gather your thoughts. But, once you make it okay to sleep outside the home, you open another door of problems. Also, when you go to a family members home, you bring other people into your personal relationship and that is a bad door to open too.
My husband and I sit down and talk it out till the sun comes up and go over everything and our expectations, until we reach an agreement. Then we say sorry to each other. We have trigger words.... we use them when one has crossed a line and the other needs to STOP. Like I'll say "You, need to stop" and I will give him that( don't try me) look. He knows to back the hell off then, and shut up. Then when we calm down we talk it out.
Try it. And I hope things get better. But please keep your relationship to yourself. A relationship is for 2 not 3 or more 

Quoting VERONICA. MOM OF 6:" Yes, I do believe it is a bad idea. Not that you need space to gather your thoughts. But, once you make ... [snip!] ... it. And I hope things get better. But please keep your relationship to yourself. A relationship is for 2 not 3 or more "

wow, i really appreciate the advice..