I'm so sorry for your loss.. reading your post just broke my heart ❤️.
I lost my only sister to cancer 3 years ago. She passed away in my parents home. My mom since then has declined quickly. I moved from Mukilteo to Wenatchee to be here for my parents. It was almost immediately that my mom showed signs of dementia. She sleeps alot and is depressed, but the dementia symptoms are heartbreaking... its been so hard on my dad and I. We do all we can to help her...my advice to you is to stay active, don't sleep alot, be social. Find a activity, try PICKLE BALL. Anything, just don't sleep your days away. My mom did, and still tries to do it. I see her just melting away. Keep your memories happy, he is with you everyday. He doesn't want to see you sad sweetheart.
Much love and hugs to you, and then a bigger hug.
God bless you.
Darlin Powell