Why is my old dog sleeping so much?

The short answer: more sleep on its own, arriving gradually, in a dog that is still bright, eating and keen when you pick up the lead, is usually ordinary aging - older dogs do rest more, and the AKC lists increased sleep among the normal changes of age. What is not ordinary is sleeping more alongside anything else: a dog that is reluctant to get up rather than content to lie down, that is restless at night as well as sleepy by day, that has gone off its food, or that has changed in a week rather than over a year. Those combinations are an appointment, not a phase.

The useful distinction - and the one this page is built around - is between more sleep and worse sleep. A dog that is genuinely resting more is fine. A dog that is lying down for fourteen hours because getting up hurts, or that is asleep at two in the afternoon because it was awake at two in the morning, is not sleeping more; it is sleeping badly and paying for it in the daytime. The first needs nothing from you. The second has causes, several of which are fixable.

How much sleep is normal for a senior dog?

More than people expect, and rising with age. Adult dogs spend a large part of the day resting even in their prime, and the published senior-care guidance treats an increase in sleep and a decrease in stamina as expected changes rather than warning signs. We are deliberately not giving you an hours-per-day figure: the honest position is that the published sources describe the direction of travel rather than a threshold, and a number we invented would be the most quotable and least reliable thing on this page.

What is worth measuring instead is your own dog against your own dog. Pick three things you can count - how far it walks before it wants to turn back, whether it gets up when you come home, how many times it changes position in an hour - and note them this week. That baseline is worth more than any average, and it is what makes a real change obvious in two months.

The five reasons an old dog sleeps more

1. Ordinary aging

Less stamina, more recovery, and a dog that genuinely wants to lie in the sun. The tell is that the dog is content - it settles easily, sleeps deeply, and gets up willingly when something interesting happens. Nothing to do here except make the resting place a good one.

2. Pain, which hides as tiredness

The most under-recognized cause and the most treatable. An arthritic dog moves less because moving hurts, and from the outside that reads as sleepiness. The giveaway is the difference between lying down and getting up: a sore dog is slow and reluctant to rise, stiff for the first few minutes, and worse after rest rather than better. VCA's osteoarthritis guidance describes the loop - a dog that hurts moves less, and a dog that moves less stiffens further. Our page on signs your senior dog is in pain is the detail, and it is the first thing to read if any of that sounds familiar.

3. Bad nights

Daytime sleepiness is often the shadow of a disrupted night. A dog that paces, pants or cannot settle between midnight and four is going to be asleep at lunchtime, and the thing to fix is the night rather than the day. Causes range from pain and needing to urinate more often to cognitive change - which commonly presents as exactly this inversion. Start at a senior dog that cannot settle at night and, if the picture includes confusion, dog dementia.

4. An uncomfortable bed

Less obvious than it sounds. A dog on a flattened bed does not sleep deeply; it shifts position repeatedly all night and makes up the difference in the afternoon. Press the heel of your hand into your dog's bed where its hip lies - if you feel the floor, your dog has been feeling it too. The behavioral tells are a dog that has started sleeping on the rug next to its bed, or one that cannot find a position and keeps getting up to try another.

5. A treatable medical condition

Hypothyroidism, anemia, kidney disease, heart disease and several others all produce lethargy, and most of them produce something else alongside it - drinking more, losing weight, coughing, panting at rest. This is the group that makes the appointment worthwhile even when you are fairly sure it is just age, and it is why we would rather you read this page and then book than read it and feel reassured.

What to change at home

Two things make the biggest difference to a dog that is resting more, and neither is complicated.

Make the sleep count. A dog spending fourteen hours a day lying down is spending fourteen hours a day on whatever it is lying on, and that surface is now the most important piece of furniture it owns. Deep enough foam that the hip does not reach the floor, a cover that washes, and a position where the dog can see the household rather than being shut away - that is the whole specification. Our depth guidance by dog weight is at how thick should an orthopedic dog bed be?

Keep the day moving, gently. The instinct with a sleepy old dog is to let it rest, and past a point that makes things worse - muscle goes, stiffness increases, and the sleep-wake cycle drifts. Short, frequent, low-impact outings beat one long walk at the weekend, and daylight during the day helps the nights. Our approach is at gentle exercise for a stiff dog, and the stage-by-stage picture of what to expect is at the stages of losing mobility.

Warmth is the third, smaller lever, and it matters most in a cold house and a cold month. A stiff old dog on a cold floor is stiffer, and gentle warmth over a sore hip is one of the oldest and least controversial comfort measures there is. Keep it genuinely gentle - a thermostatic bed that warms to the dog rather than a hot pad - and read winter comfort for a senior dog for the rest of the cold-weather routine.

The one-page summary

What we are not telling you

We have not published an hours-per-day figure, and that is deliberate - the published veterinary sources describe increased sleep as a normal change of aging without setting a threshold, and inventing one would make this page more quotable and less true. We also have nothing to sell you that treats sleepiness. The two products above are for the surface your dog lies on and the temperature it lies at, which is the honest extent of what shopping can contribute here. Everything else on this page is a vet visit or a habit.