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Why do Dogs Get more Aggressive at Night

Updated on June 18, 2017
Dog's aggressive behavior at Night
Dog's aggressive behavior at Night | Source

Usually we consider that the dog’s aggression is breed specific, which is partially correct. The main causes of dog aggression are their fear, frustration, lack of exercise, training and leadership. Dogs, with aggressive tendencies, seem to be worse at night. And may be some dogs, which are not aggressive during the daytime but became edgy at night?

Why most of the dogs became more aggressive at night?
- There are a couple of theories behind their aggression at night, but no one can tell the exact reason. Read this article to find most considered reasons.

1: Suspicious and protective


Dogs were domesticated from wolves to guard property, livestock and they were also used for personal protection. They carry that eminence in their blood, and when they observe something suspicious they became alert and aggressive. They became aggressive during the nights because they have much better hearing capacity and vision. They can hear in frequencies ranging from around 40 Hz to 60 kHz, whether the humans can hear in frequencies ranging from 12 Hz to 20 kHz. And usually they hear some strange sounds during the night, which is unfamiliar to them. And they became alert and aggressive.

Another logic behind their aggression at night is, they were developed to guard from livestock predators like wolves and wild animals and restrain the wild attack and suspicious threat towards unrecognized humans and normally these threats were higher at nights. Still, they contain that quality and they turn aggressive during nights.

2: Territorial fortification

Aggressive Dogs
Aggressive Dogs | Source

The dogs are descendants of wolves and their territorial conduct is an inherited character. They also live in a pack and defend their boundary like wolves. Normally primitive and stray dogs roam from one place to another in search for eatables and also encroaches the boundaries of other pack during nights. Stray and primitive dogs became more alert and protective that impose their aggression.

3: Fear Aggression


Fear aggression is a common problem in domesticated dogs. Usually the dogs which are not socialized adequately, find it hard to cope with other dogs animals or people and new things. Also the dogs who never played with other dogs or not exposed to populated places, busy traffic, they have higher chances to play and fear aggression. Such dogs like to hide or living in distant locations at day time and expose aggression at nights.

4. Upset with noise and population

Angry dogs, attacking to car
Angry dogs, attacking to car | Source

Dogs are highly sensitive to noise and some specific sounds can make them annoyed and distressed. The sounds like alarm clock, electronic beeps, sirens and moving vehicle irritates them. During day time these sounds lost between lots of other noises like noise of vehicles, traffic, horns, shouting humans, music, etc.

When they hear such voice during nights, like moving vehicles, horn, they became upset and aggressive. You must have seen the dogs chasing cars and biker at night, that’s the example for their reaction and some dogs make that a habit that reveal aggression.

5. Success and Excitement


It’s a natural behaviour of dogs that they go aggressive, when they acquire success, get excited or feel upset. They like to demonstrate their achievements to their owner, pack members to reveal their success to get appreciation. The success and excitement can be - get success to play fight, detected something, and observed something unusual or when chasing intruders.

Stray dogs face these activities less frequently during daytime, because of limited space to play, run on roads and inappropriate temperature. Also, they avoid noise and populated places and roads occupied by vehicles. But during the nights they became more active and aggressive.

6: Dogs sixth sense and superstitions

Why dogs became aggressive at night?
Why dogs became aggressive at night? | Source

Superstitions about dogs varies to countries and cultures. You may surprise to know, but superstitions about dogs diverges according to dog’s color and size. Many people believe that the dogs have a much higher sixth sense and when they bark at nothing, mean they are barking at ghost spirit, or invisible energy. Also, people believe the ghosts and spirits became more active at nights. And that’s why dogs became more active and protective at nights that triggers them to go aggressive.

7: Survival fights

Aggressive dogs at night
Aggressive dogs at night | Source

Stray and primitive dogs are mainly dependent to left over meals and eatables thrown out at nights. You may observe the huge number of dogs around society wastebaskets and at a garbage store in urban areas. It’s common to see them fighting for food and to prove alpha. That triggers aggression and sometime they go vicious, also they go vicious during chase a female in heat. These happenings are more frequent at nights.

Aggressive dogs at night
Aggressive dogs at night | Source

Why do Dogs Get more Aggressive at Night?

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© 2017 ARADHYA


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    • srai01 profile imageAUTHOR


      22 months ago

      Thanks ARTRAVEL!

    • ARTRAVEL profile image


      22 months ago from India

      Interesting and useful information, like it.

    • srai01 profile imageAUTHOR


      22 months ago

      Thanks Brunchmaster Flex!

    • profile image

      Cooper Harrison 

      22 months ago from San Francisco, CA

      This is interesting stuff - thanks for writing!


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