My mother is 87 yoa, has been sleeping 15 to 18 hours daily x 2 weeks. She has dementia, diabetes, hypertension. Takes warfarin, Lantus, simvastatin, prazosin, donepezil, hydralazine, glipizide, duloxetine, amolodipine. The only change has been that her waking blood sugars are finally below 200.