Is there any relief for a nurse that works full time then comes home and has to take care of her Mom?

Get her one month of respite at Assisted Living. It's like sending her on a cruise and she will have fun.

Consider adult daycare in your area or you might have to have her go to respite cAre one weekend a month.

Would hiring a housekeeper once a week or 2x/month help out? Check with churches, senior center, etc that may have volunteers that can visit and sit with mom of an evening while you and hubby go out.

You sound stressed. Don't let this get out of hand...if it's not working for you then consider moving mom to AL, NH other living arrangements where you can visit frequently and be the loving person you want to be without day to day caregiving responsibilities.

Can any of the other family members help our your Mom while you are at work? Otherwise, if she has any savings maybe that can be used to hire an Aide to come in to help. Or check out to see if your Mom qualifies for Medicaid, some States have programs where they will supply help couple times a week.