They got data to track sleep accurately from a wristwatch

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canada goose coats on sale FILE PHOTO A male elephant grazes during an exercise to fit them with Canada Goose Coats On Sale advanced satellite radio tracking collar to monitor their movement and canada goose store control human wildlife conflict near Mt. Kilimanjaro canada goose uk outlet at the Amboseli National Park, in Kenya on November 2, 2016. REUTERS/Thomas Mukoya/File Photo canada goose coats on sale

Canada Goose Outlet Scientists on Wednesday said a first of its kind study tracking the sleep behavior of wild elephants found the world largest Canada Goose Online land uk canada goose mammal sleeps two hours per day on average, and some days canada goose factory sale not at all, and does so mostly standing up. Canada Goose Outlet

Canada Goose Jackets needs to be studied in an animal canada goose natural environment if we are buy canada goose jacket truly to understand it, said Paul Manger, a research professor in the School of Anatomical canada goose coats on sale Sciences at the University of the Witwatersrand in South Africa who led the study canadian goose jacket published in the journal PLOS ONE. Canada Goose Jackets

cheap Canada Goose The researchers monitored two free roaming female African elephants in Botswana Chobe National Park for 35 days. They got data to track sleep accurately from a wristwatch sized device implanted under the skin of the trunk that was not harmful to the animals. They used a canada goose clearance satellite Canada Goose sale tracking collar with a gyroscope to monitor their location and cheap canada goose uk sleep position. cheap Canada Goose

canada goose coats do feel these two elephants are representative of the broader population, Manger said, adding he hoped future research Canada Goose online could be done with larger numbers of wild elephants, including Canada Goose Jackets males. canada goose coats

canada goose black friday sale FILE PHOTO A canada goose black friday sale male African elephant mock charges in the Okavango Delta piloshop in Botswana on March 25, 2005. REUTERS/Thomas White/File Photo canada goose black friday sale

canada goose deals The elephants sometimes went up to 46 hours without sleep while walking distances of about 19 miles (30 km), possibly to avoid threats like lions or human poachers. After a sleepless night, they had no cheap Canada Goose extra sleep the next night. The maximum sleep recorded was five canada goose coats hours in a day. They spent just buy canada goose jacket cheap 17 canada goose uk black friday percent of their sleeping time lying down. canada goose deals

canada goose store The next shortest sleepers canada goose uk shop among mammals may be domestic horses, which get under three hours uk canada goose outlet daily. Some mammals have been canada goose outlet store shown in captivity to sleep most of the day, including the little brown bat (19 hours), opossum (18 hours) and armadillo (17 hours), Manger said. canada goose store

canada goose People average roughly six to nine hours, Manger said. canada goose

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canada goose clearance sale The elephants appeared to experience rapid eye movement (REM) sleep, associated with more dreaming and body movements and loss of muscle tone, only canada goose clearance sale every three to four nights. canada goose clearance sale

buy canada goose jacket cheap sleep is often associated with the consolidation of memories. However, we do know Canada Goose Outlet elephants have good memories, so this finding contradicts one central hypothesis of REM sleep function, Manger said buy canada goose jacket cheap.