Can I give my old dog something to sleep without seeing the vet?

No, for two reasons. The first is that many products meant for people are toxic to dogs and cats, even at doses that seem small. The second matters more: giving a sedative to an animal that wakes because of pain or a urinary problem does not treat the cause, it masks it, and wastes time while the underlying problem gets worse. Any supplement or drug acting on sleep should be chosen by your vet after working out why the animal is not sleeping.

How do I tell whether it wakes from pain or from confusion?

The two pictures have different clues that the diary helps gather. Pain tends to worsen with cold and a hard bed, comes with stiffness on waking and hesitation on stairs and jumps, and often improves with warmth and padding. The confusion typical of cognitive decline shows up as waking spells in which the animal stares at walls, wanders aimlessly, seems not to recognise its space and disorients especially in the dark. In practice the two problems often coexist, and it is the vet who assesses them together.

Does an old cat yowling at night have the same problem as a dog?

The causes overlap a good deal, but in an older cat night vocalising deserves special attention because it is a common sign of hypertension and of an overactive thyroid, two conditions common in advanced age and often treatable. For that reason, faced with a cat that has started yowling a lot at night, a blood pressure reading and blood work are often among the first tests. Do not dismiss an old cat's night calling as simple attention seeking.

How long should I keep the diary before the visit?

One to two weeks is usually enough for a pattern to emerge, for example a recurring waking time or a link with the last trip outside. If the problem appeared suddenly or is severe, do not wait two weeks: note what you can and book right away. The diary stays useful after the visit too, because it lets you check whether the chosen treatment is really working by comparing the nights before and after.

Caring for senior pets35 minLevel: IntermediateUpdated on August 20, 2026

Managing disturbed night sleep in a senior dog or cat

When an older pet wakes and vocalises at night: how to tell pain, medical causes and cognitive decline apart, and what to change at home to help.

Audience: Pet owners
Species: Dog, Cat
Scope: Valid everywhere, Italy, European Union

What you need before you start

Un animale anziano che ha cambiato ritmo del sonno negli ultimi mesi, con veglie o vocalizzi notturni
Un quaderno o un'app per annotare a che ora si sveglia e che cosa fa quando è sveglio di notte
Il recapito del veterinario di fiducia, perché il sonno disturbato va sempre inquadrato prima di intervenire a casa

When a dog or cat that has always slept through the night starts waking, wandering the house and calling out in the dark, the most common reaction is to put it down to old age. It is partly true that sleep changes with age, but treating every night waking as inevitable wastes precious time, because disturbed sleep often hides something treatable: pain, a more frequent physical need, a metabolic problem or the onset of cognitive decline. Telling these causes apart is not an academic exercise, it completely changes what is worth doing. This guide offers a method for observing, recording and reporting to your vet what happens at night, and for adjusting the environment so that both the animal and the people living with it get back to rest. Nothing here replaces a consultation: it exists to make one more useful.

How sleep really changes with age

As animals age the structure of sleep fragments: they sleep more across twenty four hours but in shorter, lighter bouts, and the distinction between day and night blurs. So far this is a normal variation. The problem starts when night sleep breaks up enough to produce agitation, long waking spells or vocalising, because at that point there is nearly always an added factor to be found and dealt with.

The useful question is not whether sleep has changed, because at a certain age it changes in everyone, but whether the change is gradual or sudden, and whether the animal is calm though awake at night or clearly distressed. The answer to those two questions steers the rest of the process.

The causes to rule out before blaming age

Before pinning everything on cognitive decline, which is a diagnosis of exclusion, you have to consider the medical causes that disturb sleep and that can often be treated. Many of these have daytime signs that are easy to overlook until you deliberately look for them.

Common causes of disturbed sleep in older animals and signs that help tell them apart. Only a vet can confirm them.
Cause	Associated daytime signs	What points to it
Joint pain	Stiffness on waking, hesitation on stairs and jumps	Nights improve with a softer, warmer bed
Frequent urinary need	Drinks more, asks to go out often, small leaks	Settles after urinating, seeks the door or litter tray
Hypertension or heart disease	Laboured breathing at rest, less tolerance for exercise	Needs a blood pressure reading and a targeted exam
Sensory loss	Reduced sight or hearing, startles if touched asleep	Disorients in the dark, calms with a dim light
Cognitive decline	Confusion, staring at walls, shifted rhythms	A diagnosis of exclusion, after the others are ruled out

This table is not there to let you diagnose alone, it is there to get you into the consulting room with the right observations. An animal that wakes because it needs to urinate is managed in the opposite way to one that wakes because it is confused, and telling the two apart at home is nearly impossible without first gathering the data methodically.

Building a night diary your vet can actually use

Memory of night waking is unreliable: people who are not sleeping tend to overestimate how often it happens and to blur the nights together. A diary kept for one or two weeks turns vague impressions into a readable picture, and it is the single most useful thing you can bring to the consultation.

Note the exact time of each waking
Record when the animal wakes and when it goes back to sleep. A repeating time, for example always a few hours after the last trip outside, points to a specific cause such as a physical need.
Describe what it does while awake
Wandering aimlessly, asking for the door, vocalising into empty space, seeking water, scratching. Behaviour during the waking spell tells pain from confusion from a urinary need.
Record what calms it
Try one thing at a time and note whether it works: letting it out, turning on a dim light, moving it to a warmer bed, your presence. Whatever settles it hints at the cause.
Track water drunk and urine passed
Increased thirst and heavy urine are important clues to several metabolic problems and should be measured, not eyeballed. Weigh the water bowl at the start and end of the day if you can.
Note the daytime rhythm
An animal that sleeps all day and stays awake at night has often flipped its cycle. Recording daytime naps too completes a picture you could never see from the nights alone.
Bring the diary in summarised form
A bulleted summary, with times and frequencies, beats a story told from memory. Add photos or short videos of the night episodes if you can film them without fully waking the animal.

Making nights easier while you look for the cause

Even before you have a diagnosis there are environmental changes that do no harm and often help straight away. They are especially useful when disorientation, or a bed that is wrong for an old and aching body, lies behind the problem.

A dim night light along the routes it walks reduces disorientation in an animal that sees less in the dark.
A warm, soft, low sided bed helps one with joint pain that struggles to settle down.
Clear paths to water and to the toilet spot, with no obstacles or rugs that slide.
A last trip outside or a litter check just before bed, to empty the bladder.
Activity and daylight exposure during the day, to reinforce the difference between day and night.
Stable routines for meals and outings, because predictability reassures a confused animal.

When you need the vet and what to expect

Disturbed sleep in an older animal is never a problem to solve at home alone. Some situations call for a consultation without delay, others can wait for a booked visit but must not be ignored. Recognising the difference avoids both needless alarm and dangerous delay.

Book straight away if the change appeared within days or comes with laboured breathing, obvious pain or refusal to eat.
Book straight away if you notice a marked rise in thirst and in the amount of urine, since these signal metabolic problems to be assessed.
Schedule a visit if the decline is gradual and the animal is confused at night but not in pain.
Bring the night diary and the videos: they are the most useful part of the visit and often guide the tests.
Expect the vet to suggest investigations, for example blood work, a blood pressure reading or a pain assessment, before talking about cognitive decline.
Ask for a written plan of what to watch at home and when to get back in touch, so you can tell whether the chosen path is working.

Frequently asked questions

Can I give my old dog something to sleep without seeing the vet?: No, for two reasons. The first is that many products meant for people are toxic to dogs and cats, even at doses that seem small. The second matters more: giving a sedative to an animal that wakes because of pain or a urinary problem does not treat the cause, it masks it, and wastes time while the underlying problem gets worse. Any supplement or drug acting on sleep should be chosen by your vet after working out why the animal is not sleeping.
How do I tell whether it wakes from pain or from confusion?: The two pictures have different clues that the diary helps gather. Pain tends to worsen with cold and a hard bed, comes with stiffness on waking and hesitation on stairs and jumps, and often improves with warmth and padding. The confusion typical of cognitive decline shows up as waking spells in which the animal stares at walls, wanders aimlessly, seems not to recognise its space and disorients especially in the dark. In practice the two problems often coexist, and it is the vet who assesses them together.
Does an old cat yowling at night have the same problem as a dog?: The causes overlap a good deal, but in an older cat night vocalising deserves special attention because it is a common sign of hypertension and of an overactive thyroid, two conditions common in advanced age and often treatable. For that reason, faced with a cat that has started yowling a lot at night, a blood pressure reading and blood work are often among the first tests. Do not dismiss an old cat's night calling as simple attention seeking.
How long should I keep the diary before the visit?: One to two weeks is usually enough for a pattern to emerge, for example a recurring waking time or a link with the last trip outside. If the problem appeared suddenly or is severe, do not wait two weeks: note what you can and book right away. The diary stays useful after the visit too, because it lets you check whether the chosen treatment is really working by comparing the nights before and after.

What to do next

Do not write off an older animal's night waking as simple old age: keep a one to two week diary of times, behaviours and what calms it, measure water and urine, and separate a gradual worsening from a sudden one. Take this data to your vet, who will rule out pain, urinary and metabolic problems before talking about cognitive decline. Meanwhile make nights easier with a dim light, a warm bed and stable routines, changing one thing at a time.