Delimma

My mom is taking care of my dad , but she doesn't go along with him. She does the cook,...and everything for him .She can not understand why my dad is always wandering and want to look for his house. He always requests to take him in the car and look for his house...By the way my mom doesn't drive , so my role is to give him a ride to look for his house. I always spend hours and hours driving. he doesn't sleep and never let me or my mom sleep. Due to lack of sleep and depression, my mom and me look exhauseted and depressed. My mom cries all the time, and I can't do anything to help her.Nowadays , my mom is asking me to find a nursing home for my dad just to stay at night. We want take care of him , but we want to sleep. Do you have any suggestions can help me and my mom.