筑巢的帽带企鹅通过长达数秒的微睡眠积累了大量的睡眠 Nesting chinstrap penguins accrue large quantities of sleep through seconds-long microsleeps
学术经纬
2023/12/04
论文
论文标题：Nesting chinstrap penguins accrue large quantities of sleep through seconds-long microsleeps
作者：P.-A. Libourel, W. Y. Lee, I. Achin, H. Chung, J. Kim, B. Massot, N. C. Rattenborg
期刊：Science,
发表时间：2023/12/01
数字识别码：10.1126/science.adh0771
摘要：Microsleeps, the seconds-long interruptions of wakefulness by eye closure and sleep-related brain activity, are dangerous when driving and might be too short to provide the restorative functions of sleep. If microsleeps do fulfill sleep functions, then animals faced with a continuous need for vigilance might resort to this sleep strategy. We investigated electroencephalographically defined sleep in wild chinstrap penguins, at sea and while nesting in Antarctica, constantly exposed to an egg predator and aggression from other penguins. The penguins nodded off >10,000 times per day, engaging in bouts of bihemispheric and unihemispheric slow-wave sleep lasting on average only 4 seconds, but resulting in the accumulation of >11 hours of sleep for each hemisphere. The investment in microsleeps by successfully breeding penguins suggests that the benefits of sleep can accrue incrementally.
参考资料：
[1] Chinstrap penguins asleep thousands of times per day, but only for seconds at a time. Retrieved November 30, 2023 from https://www.eurekalert.org/news-releases/1008914?
[2] Penguins snatch seconds-long microsleeps. Science (2023). DOI: 10.1126/science.adl2398
[3] Nesting chinstrap penguins accrue large quantities of sleep through seconds-long microsleeps. Science (2023). DOI: 10.1126/science.adh0771
