Thursday, August 06, 2026

 

American black bears sleep twice as much during hibernation periods as during summer months, spending just 1/3 of this time awake, per machine-learning analysis of data from captive bears recorded over a period of 5 years




PLOS

Automated sleep scoring in hibernating and non-hibernating American black bears 

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A brown bear laying on the ground in the woods.

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Credit: Ali Kazal, Unsplash, CC0 (https://creativecommons.org/publicdomain/zero/1.0/)


Article URL: https://plos.io/4pESF9H

Article title: Automated sleep scoring in hibernating and non-hibernating American black bears

Author countries: US, UK, Australia.

Funding: Research reported in this publication was supported by the National Institute of General Medical Sciences of the National Institutes of Health under Center Award Number [P20GM130443]. NIGMS provided institutional infrastructure and salary support for U.S. personnel (ØT), but played no role in study design, data collection, or the decision to publish. No NIH grant funds, COBRE center core resources, or domestic materials supported the co-authors (PJNB, YGH, GA), who participated strictly in a voluntary advisory and editorial capacity from their home institution outside the United States. Somnivore Pty Ltd provided unconditional access to the Somnivore software free of charge and did not provide direct financial support for this study. Collection of the data set analyzed in this study was supported by U.S. Army Medical Research and Materiel Command awards W81XWH-06-1-0121 (to BMB) and W81XWH-09-2-0134 (to BMB), and by National Science Foundation award IOS-1147232 (to BMB). Thus 100% of the funding received for this work came from US federal sources.

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