A Quiet Zone the Puppy Never Enters
Choose where your senior's main bed lives and make it genuinely off-limits to the puppy: a room, a landing, or a sectioned corner behind a baby gate the puppy cannot push through. Her bed, water and a familiar blanket go there, and she must be able to reach it freely at all times — a refuge only works if retreat is always available. Teach the whole household the rule in plain terms: a dog in the quiet zone is invisible. No calling her out, no children visiting her there, and the puppy is lifted away without fuss every single time he drifts towards the gate.
Manage the Puppy, Not the Senior
It is unfair and usually futile to expect an old, sore dog to teach a boisterous puppy manners all day; that job belongs to you and to management tools. During her predictable deep naps, the puppy is on a lead beside you, in a pen with a chew, or having his own crate rest — puppies need enforced naps too, and synchronising them is the easiest win in a mixed-age household. Fill the puppy's awake time with his own programme of play, training and garden exploring so his energy is spent on you and his toys rather than on pestering the dog least able to enjoy it.
Supervise Contact and End It Early
When they are together, watch her communication rather than the puppy's enthusiasm. A senior enjoying an interaction stays loose, may offer a play bow of her own, and returns after a pause. A senior enduring one turns her head away, licks her lips, moves off, tucks herself against furniture, or gives the puppy a fixed stare — each is a polite request you should honour by cheerfully removing the puppy before she has to escalate to a growl or snap. Short, ended-early sessions teach the puppy that calm behaviour around her is what keeps the fun going, and teach her that you will always step in.
Protect Night Rest as Firmly as Daytime Naps
Puppies often rehearse their worst pestering at bedtime, just as old dogs settle. If the puppy sleeps in the same room, use a crate or pen so overnight wandering to her bed is physically impossible, and give him a toilet trip and a wind-down chew before lights-out so he is ready to sleep. If she has started rising stiff, sore or grumpy after broken nights, separate their sleeping rooms entirely for a while. Deep, unbroken sleep is when an old body does most of its repair, and a senior kept short of it will be sorer, less patient and less resilient within days.
Make the Rules Household Knowledge
Boundaries fail when one person enforces them and another lets the puppy 'just say hello' to the sleeping dog. Agree the quiet-zone rule, her main nap windows, and the signals that mean an interaction ends, and write them where everyone — including dog-sitters and visiting grandchildren's parents — will actually see them. KinsLe Care Teams lets you set your senior dog's rest periods and quiet-zone rule as part of her care duties, so each family member or helper looking after the dogs works from the same boundaries and can mark her undisturbed rest as done.