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ANIMALS
Sperm Whales Blow Giant Bubbles to Help Them Nap Underwater!
Photo: Oliver Tsappis / Unsplash
Giant sperm whales have been spotted blowing bubbles to help them drift off to sleep while floating straight up and down in the water. This bubbly blanket acts like a shield to keep them safe and cozy while they snooze. Imagine blowing your own bubble sleeping bag before bed!
Original source
Newsround (BBC)
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