This Crepuscular Puppy Just Can’t Stay Awake

sleepy-baby-puppy

The adjective crepuscular first entered the English language around the time that Europe was beginning to embrace science, and it is during this time–the mid-18th century—that a lot of more scientific terms start entering English. And a lot of scientific language in Europe was derived from Latin. So crepuscular is derived from the Latin word crepusculum, which means “Twilight.”

Crepucular means “Active at twilight.” Most people know the world nocturnal, which means “Active mostly at night.” Raccoons, bats, hamsters, and even tigers mostly come out at night.

The opposite of nocturnal is “Diurnal,” meaning “Active mostly during the day.” Humans are diurnal; for the most part, humans are awake during the day, and asleep at night.

Crepuscular animals, on the other hand, are most active at dawn and dusk. Basically, crepuscular animals sleep during the day, sleep at night, and are active in the hours in between, around sunrise and sunset.

A lot of animals are crepuscular, particularly hunters. Hunting when other animals are just winding down, or just waking up, makes for great hunting times. And for other animals, only being awake at dawn and dusk means you can avoid both daytime predators and nighttime predators.

Large cats and wolves, being the apex predators they are, are crepuscular. This means that their household equivalents, cats and dogs, are also crepuscular. If you’ve ever wondered why dogs and cats sleep so much during the day, it’s not because they’re lazy. It’s because they’re naturally crepuscular.

When this adorable puppy begins drifting off in the middle of the day, it may be cute, but it’s also totally natural! This is why dogs sleep all through the day, and what makes them such good naptime companions. Babies also sleep much of the day away, and both babies and dogs like a little company when they nap. In this video, you can be sure that this sleepy little puppy just found a best friend.

Once you know that a lot of animals are crepuscular, their habits start making a lot more sense. But that doesn’t make it any less cute to watch a puppy’s eyelids get heavier and heavier as they slowly teeter over and fall asleep.

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