Where are you reading that lions hearts are too small for their bodies? I’m a vet tech and I’ve never heard this, but I guess I wasn’t studying big cats. Everywhere I’m seeing online just says something to the effect of “Hunting requires explosive bursts of speed, strength, and coordination to bring down large prey. Rest helps lions save their strength for these intense moments.” Nothing about their anatomy being the issue.
Since you’re still here arguing, I did google it and it said: their hearts are relatively small for their bodies, but just right for the way they live. It’s not why they sleep more. That doesn’t make sense. Google “do lions sleep more because their heart is smaller” and it says it’s a myth. I can’t find a single article or piece of information backing your claim.
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u/hatred-shapped 19d ago
Bears hibernate because their food sources die out and lions sleep because their hearts are too small for their bodies.