My 83yr old father suffers from Parkinson's and dementia with Lewy bodies. He currently lives with my mother who has her own very serious medical conditions. He is often awake at night and wonders off around the house. So we adapted the spare room for him with nice furniture and a hospital style bed (rails at the side so he can't get out and wonder) for his own safety. He is now refusing to sleep in the new room because he hates the bed. This means my mum is hardly getting any sleep and this is making her very distressed and physically ill. I can't help as I don't live with them and have a full time job and studies. How can we convince him to move and accept the new room? Please help.