Since My Father Passed Away 7-4-2015, And My Mother Has

since my father passed away 7-4-2015, and my mother has a broken heart and we had to put her in a nursing home, because she couldn't live in the house they built together, I've been extremely tired. I took care of both of them while having Neurofibromatosis Type ii. I see my Neurologist every 3 months and take the same meds. my Neurologist said it"s due to all the stress one thing after the other.