Litter box for senior cat with dementia

A 17-year-old cat with some cognitive confusion at night is a situation where I'd actually steer you away from a self-cleaning box entirely. The noise, movement, and unfamiliarity can really unsettle a senior cat whose world is already feeling a bit uncertain — and for a cat with nighttime disorientation, the priority is something low-entry, easy to locate, and completely predictable. Before I point you toward something specific, can I ask: is she currently missing the box at night, or is this more about making sure she can get in easily as her mobility changes too? And is she on any medication for the cognitive symptoms?

That combination of cognitive fog and morning stiffness tells me the box itself needs to do a lot of the work here. You want something with a very low entry point so she doesn't have to step high when she's stiff or disoriented, and ideally it should be large enough that even if she enters at a slight angle in the dark she's still over the tray. How many litter boxes do you have out at the moment, and are any of them near where she sleeps?

That's almost certainly part of the problem. A confused cat at 2am isn't going to navigate a flat reliably — she's probably trying and not making it in time. My strong recommendation is to add a second tray right near where she sleeps, and make it a Catit Jumbo Open Litter Box. It has a genuinely low front entry of around 5cm, which is much easier on stiff joints than most trays, and it's large enough that she has a generous target even when she's not fully oriented. No lid, no mechanics, no surprises — just a straightforward open tray she can find, step into easily, and use without any barriers. Keep the bathroom one too so she has options, but the one beside the bedroom will likely cut those nighttime accidents significantly.

Yes, a small plug-in night light near the tray is genuinely useful for cats with cognitive changes — cats see well in low light but not in complete darkness, and the visual cue of a lit area can help reorient a confused cat. Position the light so it faintly illuminates the tray rather than shining directly into it. Some owners also find that placing the tray on a slightly different textured mat helps the cat locate it by feel underfoot. Beyond the litter setup, do mention the nighttime confusion specifically to your vet — feline cognitive dysfunction is manageable and there are supplements and medications that can make a real difference to her quality of life at this stage.

That sounds like a solid plan. The Catit Jumbo is widely available on Amazon UK and not expensive — it's a simple fix but it should make nights easier for both of you. Good luck at the vet; at 17 she's clearly well looked after.