Luckily I could dip into my cache of suggestions and came up with the following:
There are many medication aids available, such as pill organizers as well as pill box timers and clocks.
Should WDL want "human" monitoring, she can enlist the help of a reminder call service, the internet and television, or motion and other sensors combined with video phones and telemonitors.
Nothing takes the place of diligent caregiving. But when distance and time interfere, it's nice to know that there are products and technology to lend a hand.