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4/20/23 at 6:32pm
Organization
The Guardian
Author
Hannah Devlin
33 words
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Marine mammals typically sleep in 10-minute bursts during deep, 30-minute dives to avoid predators, scientists believe
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https://www.theguardian.com/world/2023/apr/20/elephant-seals-sleep-two-hours-a-day-deep-dive-research
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