On rest, recovery and why it is something to appreciate rather than worry about.

A healthy adult dog sleeps between twelve and fourteen hours a day. Puppies and older dogs sleep more still. If you have spent any time at home with a dog you will know that a good portion of their day involves finding the best available spot and committing to it with total conviction.

This is not laziness. Sleep is when the body does its most important maintenance work. Cells repair, the immune system recalibrates, hormones regulate and the brain processes everything the day has brought. A dog not getting enough sleep is a dog whose body is not recovering properly and whose mind is not getting the reset it needs.

Dogs move through sleep cycles faster than people do. They reach deep sleep and return to wakefulness more quickly. This is evolutionary. An animal that needed to respond to threats could not afford to sleep too deeply. The cost of that is that genuinely restorative rest requires more total hours to achieve the same benefit. The sleeping is doing real work even when it looks effortless.

How much a dog sleeps is directly linked to how much they have done. A dog who has had a long walk or a busy morning will sleep deeply in the afternoon. This is recovery and it is exactly right. The dog spread out on the sofa after a run is not wasting the afternoon. They are processing it.

Age changes sleep in meaningful ways. Puppies sleep heavily because growth happens during sleep and the first months of life are physically extraordinary. Senior dogs sleep more because recovery takes longer and the body needs more time to maintain itself. A noticeable change in sleep patterns in either direction is worth paying attention to as it can signal pain, anxiety or something worth a vet conversation.

The most useful thing an owner can do is make sure the sleeping environment is comfortable and that the dog is not being regularly disturbed during the rest periods that matter most.

Let them sleep. It is one of the better things they do.