Why Is My Puppy Not Sleeping Through the Night

You are not alone. That 2 a.m. whimper, the pacing, the sudden bark at nothing… it feels like your puppy has decided that nighttime is playtime. But here is the truth: most puppies physically cannot sleep through the night until they are about 16 weeks old. Their bladders are tiny, their brains are still learning to settle, and their bodies are going through major changes. The good news is that with a few targeted changes, you can help your puppy (and yourself) get a solid stretch of sleep. Let us break down exactly why it is happening and what you can do about it tonight.

1. The Bladder Is Just Too Small

The number one reason puppies wake up is that they literally have to pee. A general rule is that a puppy can hold their bladder for about one hour for every month of age. So a two-month-old puppy needs a potty break every two hours, even at night. If you are expecting a 10-week-old Lab to sleep from 10 p.m. to 6 a.m., that is biologically impossible for most puppies. Set a gentle alarm for a middle-of-the-night potty trip. Take them out on a leash, no play, no talking, just quiet business and straight back to the crate. Over a few weeks, you can gradually push that middle-of-the-night trip later and later. And if your puppy is a breed with a deep chest or a fast eater, consider using elevated dog bowls to reduce gulping and bloat risk, which can also disrupt sleep with discomfort.

2. Teething Pain Is Keeping Them Awake

Between 12 and 20 weeks, puppies lose their baby teeth and adult teeth come in. This hurts. It is like a baby cutting molars, but with 28 teeth coming in at once. Your puppy may wake up crying, chewing on the crate bars, or drooling more than usual. The fix is to give them something safe to chew on right before bed. A frozen washcloth (twisted and frozen), a rubber teething toy, or a puppy-safe nylon bone can soothe those sore gums. If your puppy is an Australian Shepherd or another high-energy breed that needs mental stimulation, a puzzle toy with a frozen treat inside can distract them from the pain and tire them out at the same time. Just make sure to take the toy away before you close the crate door so they do not choke unsupervised.

3. They Are Overtired and Wired

This sounds backwards, but it is true: an overtired puppy has a harder time falling asleep and staying asleep. Puppies need 18 to 20 hours of sleep per day, but they are terrible at self-regulating. If they have been playing hard all evening, their bodies are flooded with cortisol and adrenaline. When you put them in the crate, they crash for 30 minutes, then wake up wired and unable to settle back down. The fix is to enforce quiet time for at least an hour before bed. No fetch, no tug-of-war, no running. Instead, do a calm training session (five minutes of sit, down, touch), then a gentle potty break, then straight into the crate with a soft blanket. If your puppy is a breed like a Cane Corso that can be prone to overheating, make sure their sleeping area is cool. A cooling mat in the crate can help them stay comfortable and prevent restless nights caused by being too warm.

4. The Crate Setup Is Wrong

Your puppy’s sleeping space matters a lot. If the crate is too big, they will use one corner as a bathroom and sleep in the other, which teaches them it is okay to potty inside. If it is too small, they feel cramped and anxious. The crate should be just big enough for them to stand up, turn around, and lie down. Also, cover the crate with a lightweight blanket on three sides to create a den-like cave. This reduces visual stimulation from shadows or lights. And make sure the crate is in your bedroom for the first few weeks. Your puppy needs to smell you and hear you breathing to feel safe. If they wake up alone in a dark living room, they will cry out of fear, not just need.

“A tired puppy is a good puppy, but an overtired puppy is a gremlin. The secret is the calm before the crate.”

5. Hunger or Thirst Is Waking Them Up

Puppies have fast metabolisms. If their last meal is at 5 p.m. and they go to bed at 10 p.m., their blood sugar may dip in the middle of the night, waking them up hungry. But you also do not want to feed them right before bed because that will trigger a potty break. The solution is a small, protein-rich snack about 30 minutes before the final potty break. A tablespoon of plain canned pumpkin (not pie filling), a tiny bit of cottage cheese, or a single freeze-dried liver treat can tide them over. Avoid giving water for the last hour before bed. If your puppy is a breed like an Australian Shepherd that can be prone to bloat or gulping, using slow feed bowls at dinner can prevent them from swallowing air, which causes gas and discomfort that can wake them up.

6. Separation Anxiety or Fear of the Dark

Some puppies just do not like being alone in the dark. If your puppy is fine during the day but panics at night, they may have mild separation anxiety or fear of the dark. Try a nightlight near the crate and a white noise machine set to a low, rumbling sound. You can also put a worn t-shirt of yours in the crate so they have your scent. If the crying continues for more than 10 minutes and does not sound like a potty need, do not go to them every time. Wait for a three-second pause in the crying, then go in calmly, take them out to potty, and put them back without coddling. If you rush in every time they cry, you accidentally train them that crying gets you to come. Consistency is key. If the problem persists for weeks and your puppy is over five months old, talk to your vet to rule out a medical issue like a urinary tract infection.