North American Porcupines Sleeping Behavior (How, Where, & When?)

Sharing is caring!

Published on October 21, 2022
Last Updated on October 11, 2023

When it comes to sleeping in the forest, it can be quite a hazard for many animals. With larger animals prowling the woods with them, they can end up being a meal to some predators. Even animals that can defend themselves like porcupines need to be careful.

Like all animals, porcupines need to sleep and are vulnerable to predators during that time. To minimize the risk, porcupines have developed tricks to protect themselves from larger animals while getting plenty of rest.

Join us in Floormania as we take a closer look at our friends, the porcupines, and how they sleep.

Are Porcupines Nocturnal?

One strategy porcupines employ to keep safe is adopting a nocturnal lifestyle. They tend to sleep during the day and only come out to forage for food when the sun goes down.

Most of the porcupine’s predators, such as fishers, are also nocturnal. That makes the day the safest time to rest, as predators are also sleeping and won’t be able to surprise porcupines in their sleep.

Although this means that there is a higher chance for porcupines and their predators to run into each other at night, they at least have the opportunity to defend themselves. It is better than being caught while asleep and unable to run or use their quills.

Do Porcupines Sleep All Day?

Usually, porcupines can sleep for the entire day, only waking up when night falls.

However, porcupines occasionally do spend some time awake when the sun is up. These spiny animals need to forage for food; when the night isn’t sufficient for them. 

Porcupines may be active during the day in the winter months since they do not hibernate like other animals. At the same time, it is harder to find food in the snow, meaning that porcupines need to spend more time searching for it.

Rather than wake up in the middle of the day, they might just wake up earlier, before nightfall, or go to sleep later.

How Much Do Porcupines Sleep?

Porcupines tend to rest in a single sleeping cycle like us humans. This session can last several hours, usually spanning the entire day, and just like humans, they can adjust this sleep cycle depending on their needs. 

When the situation arises, porcupines can sometimes be active during the day, if they need more time to forage for food. During these cases, a porcupine might either wake up earlier or go to sleep later

In harsh weather, like storms, porcupines might spend more time in their shelters as going outside might be too dangerous. For these forest animals, this means getting more sleep as they will not be able to forage the same way they usually do.

When Do Porcupines Wake Up?

Porcupines are crepuscular animals, so they wake up during dusk or sunset. Since porcupines are active throughout the night, waking up at nightfall maximizes their time to forage.

Sunset is also when some of the porcupine’s predators, such as fishers, bobcats, and mountain lions, wake up, so the last thing these rodents want is to be caught napping. 

Rather than leave them vulnerable while asleep, waking up at this time gives these mammals a chance to defend themselves.

When Do Porcupines Go To Sleep?

Porcupines typically stay out foraging for the whole night and will take sunrise as a sign that it’s time to go to bed. Although porcupines have nests, they are more than willing to find somewhere in the forest to hunker down for the day.

These makeshift spaces can include trees, low-hanging branches, crevices, or other animal dens.

How Do Porcupines Sleep?

When porcupines decide to hunker down for some rest, they will generally sleep on their belly, laying down and covering their stomach with their body.

This position protects their vital organs and allows them to react quickly to any threats since they can spring to their feet without having to roll over. 

Lying on their bellies also leaves their quills sticking out in all directions, hopefully discouraging some opportunistic hunters from getting too close. 

Sometimes, a porcupine might rest on top of tree branches. When that happens, these clever animals will cling onto the branch they are on while sleeping to prevent them from falling off. 

Do Porcupines Sleep Alone?

Although there is safety in numbers, porcupines are relatively solitary animals and prefer to keep to themselves. While not territorial, porcupines also aren’t too welcoming to other porcupines, especially concerning sleeping areas.

There are cases of porcupines chasing out other porcupines from a tree they are resting in. As the trees are not only their shelters but also their food sources, these rodents can be very protective of them.  

There is an exception to this rule during winter, however.

When conditions are harsh, porcupines might set aside their differences and help each other out. When the snow falls, porcupines may allow other porcupines to rest with them in their shelter.

Sharing their homes allows for a better chance of survival as they can share warmth. 

Where Do Porcupines Usually Sleep?

For safety reasons, porcupines do not sleep out in the open. Even with their quills, they are still vulnerable to larger predators. 

One of the porcupines’ survival strategies is sleeping in places where predators will have a difficult time reaching them. These can include:

  • Crevices
  • Under rocks
  • In trees
  • Inside hollowed-out logs

Do Porcupines Make Nests?

Porcupines might create a permanent shelter in the form of a nest if they like the area. They can make these areas on top of tree branches, in crevices, or inside logs.

These dens protect porcupines from the elements and make their living area more comfortable. Wherever they make it, though, porcupines usually build them close to food sources so they can easily feed.

Do Porcupines Sleep in Trees?

Although they might not look like it, porcupines are adept climbers and can scale up trees if needed.

Aside from looking impressive, this ability helps them find a place to sleep since it gives them options anywhere in the forest. As long as a tree is nearby, porcupines can use it for shelter.

They can use their claws for support and pull themselves up the trunk. This also helps them stay out of reach of predators who might not be able to keep up. Some porcupines are even known to make nests on branches, meaning they plan on using a tree as a long-term shelter.

Another reason porcupines might prefer to stay up in trees is the availability of food. Our forest friends are attracted to buds and leaves that grow in trees so staying up in the trees gives them easy access.

Aside from staying on the branches, porcupines might also stay inside the tree. Openings can form along the roots of the trees, which porcupines can squeeze into and use as a place to sleep.

What About Dead Trees?

Aside from living trees, porcupines might also stay in dead trees when they need rest. Hollowed-out logs and trunks are popular spots for these large rodents to sleep in.

Porcupines use these places as makeshift shelters if they cannot build a nest. With some effort, porcupines can squeeze their quills inside the logs.

The advantage of having such a small space is that it can be challenging for predators to reach them without hurting themselves against their quills. 

Porcupines Live In Small Holes

These spiky critters can be pretty adaptable when finding a place to live. Porcupines can live almost anywhere so long as they can squeeze inside, even if those places are small holes, crevices, and even under rocks.

While small, porcupines can modify their surroundings to a certain degree. They can dig, and while not as skilled as gophers or groundhogs, they can enlarge the crevices by digging the dirt up to make it more hospitable. 

Porcupines Will Take Over Other Animals’ Dens

Aside from being adaptable, these mammals are also clever. Porcupines have learned that they can easily take over the dens and shelter of other animals once they leave them

This strategy saves the porcupine a lot of work as it doesn’t require them to dig or modify their new home. 

Porcupines Sometimes Sleep In Your House

In neighborhoods close to the forest, you might want to keep an eye out for wildlife. While groundhogs are a common nuisance, you might also find something as large as a porcupine skulking around your home.

Like other animals, porcupines may wander out of the forest and venture into suburban neighborhoods. The usual cause of this is the need for food which can lead them to houses with gardens and lawns.

With food and an empty space to sleep, porcupines might decide that your home is their home too, and begin sleeping there.

There are many cases of porcupines getting through fences and getting inside your yard property.  When that happens, you should be very careful because porcupines are not the kind of animal you want in your home.

Aside from causing plenty of property damage, they can also injure you or anyone else living in your house.

Do Porcupines Ever Fall Out Of Trees When Sleeping?

Although it sounds like something from a cartoon, porcupines falling from trees is a real phenomenon. With how often porcupines stay in trees, having them fall from branches is much more common than people realize.

There can be various reasons, such as the porcupines losing balance or simply being too heavy for the tree.

The average North American porcupine weighs 20 pounds, making them one of the heaviest rodents on the continent. That is a lot of weight to put on a tree branch, so these may often break from the pressure.

One reason for this issue is that North American Porcupines lack prehensile tails, which makes balancing more difficult and leaves them without the option to reach out and grab branches using their tails.

Author: Quade Ong

Hello there, my name is Quade. I have been a writer for three years but an animal lover for over two decades. I grew up in one of the most biodiverse areas in the world, which has given me the blessing of seeing all sorts of beautiful animals. Now I strive to learn not just about the animals I am from, but those all over the world!


  • Quade Ong

    Hello there, my name is Quade. I have been a writer for three years but an animal lover for over two decades. I grew up in one of the most biodiverse areas in the world which has given me the blessing of seeing all sorts of beautiful animals. Now I strive to learn not just about the animals I am from, but those all over the world.

Sharing is caring!

Leave a Comment