Do Hamsters Hibernate with their Mouth Open? Learn All the Possible Outcomes

Hamsters are cute little pet rodents who you may see sometimes hibernating. This is a way for them to conserve their energy for various purposes. 

Do Hamsters Hibernate with their Mouth Open

Now, do hamsters hibernate with their mouth open? Yes, they hibernate with their mouth open sometimes. The reasons behind it are cold, breathing problem, or even hunger too. 

In this article, we will discuss everything about why hamsters hibernate with their mouth open, how long they can hibernate with their mouth open, and many more.

Why Hamsters Hibernate with their Mouth Open

Hamsters can hibernate with their mouth open for various reasons. Here are some of the reasons why your cute little rodent may hibernate with its mouth open-

 Reasons Why Hamsters Hibernate With Their Mouth Open
  • Cold
  • Not breathing properly
  • Hunger


At the time of hibernation, hamsters’ body temperature gets lower than usual. At that time, you may see their mouth open. 

Hamsters Hibernating Because of Cold

This happens because they need a lot of cold wind to hibernate. There are other ways to keep the hibernation of these cute rodents going on, but making the body cold is one of the ways hamsters go for their hibernation.

If you see your hamsters hibernating with their mouth open, do not get freaked out. They are just going with the process. Sometimes, people questions like “Are hamsters related to rats and mice?” because their behavior is almost alike.

Unable to Breath

This is a normal issue that every animal may face in the world. While hibernating, if your pet rodent hamster can not breathe properly, they may keep its mouth open and breath. 

This may occur when they are hibernating but not in a good position. Or they are facing breathing issues. 

There are many reasons why a hamster can not breath properly. Sometimes, if anyone abuse your hamster, they may have breathing problem too. But do hamsters remember abuse? If they do so, it can result in your hamster being a great danger.


It is a normal thing for hamsters to go into hibernation when they are hungry. Because of starvation, they will go into hibernation. Sometimes, they will keep their mouth open while hibernating.

This happens because if there are food smells around, their hibernation will break. This is one of the reasons why your cheeky little hamster may hibernate while its mouth is open.

🐿️ You may wonder whether your hamster is getting proper nutrients or not. The same goes for a chipmunk too. What does a chipmunk eat for a living? They are also rodent animals whom people love to keep as a pet.

How Long do Hamster Hibernate?

A hamster hibernates for a very short period of time. It can be around 10 to 12 hours up to 2 to 3 days. At this time, they will not do anything but sleep. In the starvation of warmth, food, water, or light, they can hibernate more than 2 days too.

Hibernating Time Duration of a Hamster

But there can be casualties for your tiny rodent too. They hibernate to show different symptoms like because of hunger, cold, or even in pain too. This is kind of a survival mechanism used by different types of species.

🐹 If you are wondering how to wake up a hibernating hamster, there are some proper ways to do so. You should maintain those procedures before waking them up. 

Casualties Because of Hibernation and Solution

The worst casualty of a hamster during hibernation can be death from a cold. Because when a hamster goes into hibernation, the heart rate goes way lower than usual. 

If they do not wake up even after two days, they may be in great danger. Now, why do they hibernate for this long time?

A normal hamster will hibernate for around a day or so because of the cold. But if you combine cold with a lack of food and nutrients, they will go into hibernation more than usual. And that can be a bad sign, even they can die.


In order to save them from the worst-case scenario, you need to act fast and go to a veterinarian if your little baby hamster does not wake up. Before going to the veterinarian, you can try to warm the little guy up and check whether they got their senses or not.

If they get their senses back, provide them food with nutrients. If not, then go immediately to the nearby vet.

Final Words

Hamsters are cute when they hibernate in the place they like. But learning how they are hibernating is essential. Because there may be casualties too. 

Now, do hamsters hibernate with their mouth open? This can be a concerning matter and sometimes not. You should always take care of your pet rodent because this is your responsibility. 

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