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vertical sleep

Coverage of vertical sleep in the Nexus archive.

Earliest in view: Jul 24 · 23:13 UTCMost recent: Jul 24 · 23:13 UTC

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SCIENCEJul 24 · 23:13 UTCHACKER NEWS
Sperm Whales blow bubbles to achieve restful, vertical sleep
Sperm whales blow bubbles to achieve restful, vertical sleep. This behavior was observed in a study, with findings reported by the University of St Andrews.