Within the last 2-3 days the confusion is worse and sometimes her
speech seems slower and garbled. Her blood pressure is good and her physical health is also good. She was very restless at night before but now she sleeps all night and most of the day.
I agree with Carol's assessment. The one thing I learned in watching my mom's battle with Alzheimer's is that it's not a linear disease. By that, I mean the progression moves in fits and starts; one day the loved one seems just fine, and the next day, a tremendous decline in mental capacity is visible. It's also hard to tell what part of the brain is under attack by the disease. In my mom's case, she never lost her speech, but she suddenly developed problems swallowing food, which was caused by a combination of her Alzheimer's disease as well as her Chronic Obstructive Pulmonary Disease.
Take care and keep us posted!
You'd need a doctor to answer this appropriately, but if she is stage 6, and sleeping most of the time, I'd say organs are "forgetting" how to function and her body is naturally shutting down. Again, this is just a layman's idea. The doctor should be able to give you a better answer. But this is late stage, and anything can happen. If she isn't in pain, be grateful for that.
Blessings to you,
My father-in-law is in stage 6. So far the visible signs happened when he just got out of the hospitals or had medications problems (too many or too little.) he suddenly walked and fell in Oct., 2007, and then after that, he could no longer walk a long distance. After the hospitalization due to his medication problem in Nov., 2007, his dementia/Alzheimer's state got worse and he began to forget about his own son and his life/career in details. To us, it changes every year in Nov. or Jan. For example, this Jan. after another hospitalization due to his congestive heart failure, he gets more agitated this year. He was very confused in the mornings in Sept, 2008. The doctor stopped his medications for AD (namenda and exelon.) So he is not so confused anymorel.
You can ask the doctor if there is any problem like medications. Also, you can check to see if there is anything dramatic happened in the daily life that made her emotional or upset. A small cause could make it worse in a few days.
We are not there yet for real late stage, so we will wait to see what is going to happen. He may stop talking or walking one day. However, I heard that for not walking, it is slow and it begins by not being able to standing firmly.
It is complicated and each person is different.