Why the timing does the heavy lifting
The dawn wake-up call is not spite; it is anticipation on a schedule. Your cat has learned that a particular grey light in the sky leads, via you, to breakfast — so she works on the middle step. An automatic feeder rewrites the chain: the light leads to the machine, and you drop out of the sequence entirely. For that reason the opening time matters more than any feature on the box. Set it a little before the hour she usually starts her campaign. If the food arrives after she has already woken you, she learns that shouting starts the process and the feeder finishes it — the worst of both worlds. A short while early, and the machine becomes the event her body clock waits for.
Choose and set the machine up properly
Prioritise the unglamorous features: battery backup so a power cut does not silently cancel breakfast, a bowl you can actually wash, and a lid a determined cat cannot pry or tip. Site it where she already eats, on a hard floor she associates with meals, and well away from your bedroom door — you are moving the dawn restaurant out of earshot as well as out of your bed. Dry food suits this routine best: it waits safely overnight, portions cleanly and does not spoil in the bowl. If she eats wet food, only bridge the shortest window and favour models with sealed, chilled compartments. Set the dawn portion as her real breakfast or the first instalment of it — a token mouthful just teaches her to expect a second course from you.
The first week, morning by morning
Give the machine a daytime debut first: let her eat a normal meal from it while it sits still and open, so its smell and shape mean food before it ever whirs at dawn. Then set the first dawn portion slightly small and listen from behind your door. Most cats transfer their allegiance within a few mornings. Expect testing behaviour: she may eat, then come and check whether the old system still pays out in top-ups or sympathy. Stay boring. No eye contact worth mentioning, and above all no bonus feed when you rise, or the routine splits into machine breakfast plus human breakfast. Keep weekends identical to weekdays — a cat cannot read a calendar, and two lie-in exceptions will retrain her faster than five good mornings trained her.
Keep the routine honest across the household
A feeder fails socially more often than mechanically. Agree who fills it, who checks the used portion at breakfast time, and who washes it weekly — and write those jobs down where everyone can see them. A second cat changes the sums: two feeders, or a microchip-access feeder per cat, stop the faster animal harvesting both dawns. When a sitter takes over, the feeder is part of the handover, not an afterthought: fill level, opening time and what a blinking light means. A dawn routine written into KinsLe's Care Teams survives holidays, lie-ins and sitters, because the feeder's job is on the rota — visible, checkable and nobody else's guesswork.