Companion Care Needed

About who needs care: Hes 98 and his wife is 92. Hes fairly healthy, has hearing aids and is losing his eyesight, she is healthy but has dementia and really doesn't speak, both are able to get themselves up to go anywhere in the house, she needs help dressing About the care needs: I only need someone overnight hours, theres a caregiver there until 1 a.m. and then they are alone until 1 p.m. when the next caregiver comes Services needed include: feeding, and bathing / dressing.