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Blowing Bubbles Allows Sperm Whales to Sleep Soundly Beneath the Waves, Reveals Study
New research shows that blowing bubbles helps sperm whales to sleep soundly, hidden beneath the waves. It actually stops them from floating to the surface during nap time. While little is known about how sperm whales sleep, researchers believe that the ocean giants doze underwater for 10 to 15 minutes at a time with their […]
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