Hello,
It is not very normal unless she is coming to the end of her life then it would be.
It would be a good idea for her doctor to see her. It does sound very much like depression and she may be able to benefit from some medication. With the depression possibly causing all the sleeping, that means she is not getting in enough fluids and food so she may be dehydrated. A visit from a doctor could put your mind at ease as to how to care for her right now.
Please let me know if I can be of further help and I will be glad to!
Vicky B. RN
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