VIDEO | Gösta has narcolepsy: every time he gets very excited, he falls asleep

Por Javiera Müller
10 September, 2026

Gösta is only 15 weeks old and has already learned something most dogs will never know: happiness, if it’s too much, knocks him to the ground.

He was diagnosed with narcolepsy with cataplexy at 9 weeks old. When something excites him too much—a new toy, a run in the garden—his body suddenly loses muscle tone and he falls asleep right there, without warning. This isn’t a tall tale: it’s a real condition that also exists in some dogs, not just people.

@thecockerspanielpuppy

We picked up Gösta when he was 9 weeks old, already the same day he showed symptoms, and 3 days later he received his diagnosis. Even if the diagnosis looks scary. It is important to know that the prognosis is good, and dogs with narcolepsy often have a good quality of life. Gösta is a puppy who lives an amazing life🖤 #englishcockerspanielpuppy #puppydog #narcolepsy #cataplexy #narcolepsywithcataplexy

♬ suara asli – MUSIC24 – MUSIC24

Gösta is still a playful, energetic puppy. He just needs, from time to time, a little more sleep than the others, because his condition has no cure.

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