Is puppy sleep regression real?

Many owners see it: a puppy who slept through starts waking again, often somewhere between about 4 and 6 months. It is a description of what happens, with ordinary causes behind it such as teething, growth, more excitement in the day, or a changed room.

How long does a puppy sleep regression last?

When the cause is found and the evening is reset, most puppies settle back within one to two weeks. If nothing changes after two weeks of a steady routine, look again at the day plan and ask your vet.

Should I go to my puppy when it wakes at night?

Yes, check once. A puppy may need the toilet. Take it out on a lead, keep the lights low and say almost nothing, then straight back to bed. No play and no food.

Can teething wake a puppy at night?

Sore gums can make a puppy restless and chewy, often from about 3 to 6 months. A safe chew in the afternoon and evening helps. If the mouth looks swollen, bleeds a lot or the puppy will not eat, ask your vet.

When should I ask the vet about night waking?

Ask your vet if the waking is sudden and comes with other signs: peeing much more often, drinking a lot more, diarrhoea, vomiting, scratching, limping, crying when touched, or a puppy who seems unwell in the day.

Puppy sleep regression: why nights fall apart again

If your puppy was sleeping through the night and now wakes again, something in the day or the room has usually changed: new teeth, a growth spurt, a busier day, a room move or a bedtime that crept later. Find the change, move the evening back to what worked, and keep any night trips quiet and dull. Day and night toilet basics stay on potty training; this page is about nights that fell apart after they were fine.

I am Andrew Darov, a dog trainer. I am not a veterinarian. This is a puppy page about sleep.

What is a puppy sleep regression?

A sleep regression is a puppy who slept well and now wakes again. It has a cause, and most of the causes are things you can change at home.

Owners use the phrase for a common pattern. The puppy had a run of dry, quiet nights, sometimes for weeks. Then it starts waking at 2 am, crying at 4 am, or refusing to settle at bedtime. It often shows up somewhere between about 4 and 6 months, but it can happen at any age.

It is not a stage you have to sit out. It is a signal that the puppy’s day or night is different from the one that worked. How a puppy gets to full nights in the first place is on when do puppies sleep through the night.

Why does a puppy start waking at night again?

The usual causes:

Teething. Adult teeth come in from about 3 to 6 months. Sore gums can make a puppy restless and chewy at night.
Growth and appetite. A growing puppy may get hungrier. If dinner moved earlier or got smaller, it may wake up hungry or needing the toilet at a new time.
A busier day. Longer walks, a new class, visitors or a day with no proper naps can leave a puppy overtired. Overtired puppies often sleep worse, not better.
A room change. Moving the crate out of your bedroom, a new bed, a new room, lighter mornings or new noise from the street.
Schedule creep. Bedtime drifts from 10 pm to 11:30 pm, the last nap runs into the evening, or the last toilet trip gets shorter. Small changes add up.
Night trips that became fun. If night wake-ups started getting play, cuddles or a snack, the puppy has a good reason to keep waking.

If the puppy wakes very early rather than in the middle of the night, see puppy waking up at 5am.

How do you fix it?

Look for the cause. Write down what changed in the last two weeks: teeth, crate position, walks, visitors, meal times, who does bedtime. Most owners find one or two changes they had not connected to sleep.
Move the day back. Put the last meal, the last nap and bedtime back to the times that worked. If the puppy is now older, keep the old shape and adjust by 15 minutes at a time, not by an hour.
Calm the last hour. No wrestling or fetch in the hour before bed. A slow toilet trip with time to sniff, then a safe chew on the mat, lights down, and into the crate or pen while the puppy is sleepy, not wired.
Keep night trips boring. If the puppy wakes and cries, check once. Lead on, out to the toilet spot in the yard or garden, low light, almost no talking. Reward the pee quietly, then straight back to bed. No play, no food, no sofa.
Hold the plan for two weeks. Keep the same times every night. Changing something every second night makes it hard to see what works.

How do you handle teething nights?

Give a safe chew in the afternoon and in the last hour before bed, so the puppy does its chewing before lights out. Some puppies like a chew that has been in the fridge. Keep chews that could break into sharp pieces out of the crate overnight. If the gums look very swollen, bleed a lot, or the puppy stops eating, ask your vet.

Should a puppy go back to your bedroom?

If the regression started right after the crate moved out of your room, it is fine to move it back for a while. Many puppies settle faster when they can hear you breathing. Then move it out again later in small steps, a little further each few nights. Whether a puppy should share your actual bed is a separate question on should my puppy sleep in my bed.

When should you ask your vet?

Ask your vet when the night waking is sudden and comes with other signs: peeing much more often, drinking a lot more, accidents after weeks of dry nights, diarrhoea, vomiting, scratching or licking, limping, crying when picked up, or a puppy who seems flat during the day. See when to call the vet.

What are the usual mistakes?

Playing at 3 am. One fun night trip can bring back a week of waking.
Skipping day naps to make the puppy tired. Overtired puppies sleep worse.
Changing everything at once. New bed, new room and new bedtime in the same week makes the cause impossible to find.
Letting bedtime drift. Twenty minutes later each week is an hour later in a month.
Ignoring a real toilet need. Check once, go out, come straight back.

Most sleep regressions fade within a week or two once the day goes back to its old shape. For the toilet side, see potty training; for full nights, when do puppies sleep through the night; and for dawn starts, puppy waking up at 5am. More on the puppy hub.