The therapist recommended a device I'd never heard of: a small unit that mounts inside the toilet bowl and does two things.
A light that's already on when he gets there. The unit adheres to the underside of the lid. With the lid up, a motion sensor watches the room — so the moment he walks in, a soft glow comes on by itself and lights the bowl, the seat and the floor around his feet. He doesn't have to find a switch, or decide whether it's worth waking himself up. It's just on. And it's dim enough that it doesn't wake him up. Three brightness levels, so you can set it once and forget it.
A UV-C sanitizing cycle. When the lid closes, it runs a three-minute cycle — the same category of ultraviolet technology used in hospitals and assisted living facilities for surface disinfection. The light only operates with the lid shut, so there's no exposure. No chemicals, no fumes, nothing for me to drive over and scrub.
It charges by USB and runs for about 30 days on a charge. Installation took under a minute — adhesive mount, no tools, no plumber.
I want to be honest about something: I almost didn't buy it. I'd seen cheap versions online for $12 and assumed they were all the same flimsy plastic junk. When I mentioned that to the therapist she was blunt with me. "The cheap ones don't work. The light is too dim to be useful and the adhesive fails in a week. Families try them, they fail, and then everyone writes off the whole category."
So I bought the Sentia. It cost $54.90.
For context: $400 in grab bars. $42,000 in surgery. $8,500 in rehab.