A puppy goes viral

Gösta, a cocker spaniel puppy, has charmed viewers because he can suddenly fall asleep when he gets too excited.

“passes out whenever he gets too excited”

Joy has a side effect

Cocker spaniels are known as cheerful dogs, sometimes called merry cockers. For Gösta, that burst of happiness can trigger a nap.

“merry cockers”

The diagnosis

Gösta has narcolepsy and cataplexy, a rare neurological condition that can cause sudden sleep and loss of muscle control.

“sudden, uncontrollable sleep and loss of muscle control”

It started early

His owners say he was diagnosed when he was just nine weeks old, after the strange sleep episodes became clear.

“first diagnosed when he was just nine weeks old”

Walks can pause

Videos show Gösta nodding off while out on walks, turning an ordinary stroll into a soft little stop-start routine.

Treats can do it

Even snack time can be too exciting. The puppy may start enjoying a treat, then drift off before the moment is over.

Playtime too

Gösta has also been filmed falling asleep while playing with another dog, right in the middle of the fun.

“while playing with another dog”

Fans fell hard

The clips spread on social media, where viewers reacted less with worry than with pure affection for the sleepy puppy.

A TikTok favorite

Chloe Burrows called one clip the best video she had ever seen, capturing the mood around Gösta’s sudden fame.

“This is the best video I’ve ever seen in my whole life”

Spaniel energy meets sleep

One viewer joked that spaniels get excited about everything, so Gösta probably has a lifetime of naps ahead.

“a life full of naps on the way”

The internet melts

Other comments focused on how lovable he looked, with one person calling him a beautiful little sleepy boy.

“Beautiful little sleepy boy”

The outlook is good

His owners say the prognosis is positive. Dogs with narcolepsy often go on to have an excellent quality of life.

“excellent quality of life”

Cute, but real

Gösta’s naps are adorable online, but they come from a medical condition his family is managing from puppyhood.

Why people watch

Part of the appeal is the contrast: a lively, happy puppy suddenly folding into sleep just as the excitement peaks.

A gentle lesson

The story turns a rare disorder into something viewers can understand through one small dog’s daily life.

Gösta keeps going

The point is not only that Gösta falls asleep. It is that he still walks, plays, eats treats and delights people while living with it.