 [ Symptoms ] my mother has alzheimers disease she has slept well at night but now she is sleeping during the day why  today december 11 2012 my 93 yo mother w alzheimer is diseaserefused to get out of bed 0800 a m  she told me she wanted to sleep a bit more this was three hours ago she is still in bed asleep i am checking to make sure she is breathing every 10 minutes shall i let her sleep wake her up thanks for your help [ Disease ] it is always a concern when a person has a sudden change in wakefulness this is especially true when a person has alzheimer is disease and may have trouble communicating her needs you should call your mother is doctor right away knowing your mother is history they will be able to advise you on the next step