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New Research Suggests Full Moon Can Affect Sleep
You may have noticed brighter night skies recently as we experienced a full moon. NASA reports the event, called the Wolf Moon, began Thursday afternoon and ended Saturday morning. But did you notice any changes in your personal sleep patterns in the days leading up to the full moon?
As the latest full moon was beginning, a new study was released suggesting that a full moon can affect human sleep cycles. Researchers confirmed that the nights leading up to a full moon have more natural light available after the sun goes down.
The new research found that in the days before a full moon, people go to sleep later in the evening and sleep for shorter periods of time.
The results were reported in a study appearing in the publication Science Advances. The research was led by biology professor Horacio de la Iglesia of the University of Washington.
"When we looked at the data it was right there — we didn't expect that pattern at all," de la Iglesia said in a video about the findings. He said the study provided clear evidence that a person's sleep-wake cycle is "synchronized" with changes the moon goes through.
The moon takes 27.3 days to orbit Earth, but it takes 29.5 days to complete a full cycle from New Moon to New Moon. The new study measured the sleep patterns of test subjects as the moon progressed through at least one whole 29.5-day cycle. Some subjects were tested through two moon cycles.
On average, people involved in the study slept about 52 minutes less on nights before a full moon. They also went to bed about 30 minutes later. The research showed that people had the latest bedtimes and the shortest amount of sleep during the nights that were three to five days before a full moon.
"I became one of the subjects of the study and when I looked back on my own data I could not believe how much my sleep changed," de la Iglesia said.
Effect on sleep in different areas
Past studies by de la Iglesia's team and other research groups have shown that access to electricity has a clear effect on sleep. So the team included this element in their research.
The study involved 98 individuals living in three different communities of Toba indigenous people in Argentina. Each community had different access to electricity. One rural community had no electricity access, while a second had only limited access. A third community was in a more populated area and had full access to electricity.
Sleep data was collected electronically from the individuals through wrist monitors. The research team said it believes this method resulted in more effective data than some past studies that depended only on user-reported sleep data.
In addition to the indigenous communities, the researchers also examined sleep data on 464 college students in the Seattle, Washington area. That data had been collected for a separate study. The researchers said they discovered the same moon cycle patterns in the sleep data from the students.
"Although the effect is more robust in communities without access to electricity, the effect is present in communities with electricity," de la Iglesia said.
The scientists say further research is needed to help explain other possible causes for the changes in sleep patterns in the test subjects. Such causes could involve biological differences in individuals or social patterns within communities.
I'm Bryan Lynn.
重点解析
重点讲解：
1. go down （太阳）落下；
The sun went down and darkness fell.
夕阳西下，夜幕降临。
2. at least （数量）至少，不少于；
It is imperative to continue the treatment for at least two months.
必须继续治疗至少两个月。
3. result in 导致；引起；造成；
Fatigue and stress quickly result in a dull complexion and a furrowed brow.
疲劳和压力会很快导致肤色暗淡无光、额头出现皱纹。
4. in addition to 另外；加之；除…之外；
In addition to these arrangements, extra ambulances will be on duty until midnight.
除了这些安排以外，另增救护车值班至午夜。
参考译文
最新研究表明满月会影响睡眠
你可能已经注意到了明亮的夜空，因为最近我们经历了满月。美国国家航空航天局报告称，“狼月”现象从周四下午开始，至周六上午结束。但是在满月前的几天，你有注意到自己的个人睡眠模式有何变化吗？
随着最近一轮满月的开始，一项研究表明满月会影响人类的睡眠周期。研究人员证实，在满月前的夜晚，太阳下山后有更多的自然光。
最新研究发现，在满月前的几天，人们晚上睡得更晚，睡眠时间也更短。
研究结果发表在《科学进展》期刊上。这项研究由华盛顿大学生物学教授霍拉西奥·德拉伊格利西亚领导。
德拉伊格莱西亚在介绍研究结果的视频中表示：“当我们查看现有数据时，我们根本没有想到这种模式。”他表示，这项研究提供了明确的证据，证明人的睡眠-觉醒周期与月球所经历的变化是“同步的”。
月球绕地球运行需要27.3天，但上一次新月到下一次新月的整个周期需要29.5天。这项新研究评估了受试者在月球运行至少一个完整的29.5天周期内的睡眠模式。一些受试者接受了长达两个新月周期的测试。
研究参与者在满月前的晚上平均少睡52分钟。他们上床睡觉的时间也会晚30分钟左右。研究表明，人们在满月前三到五天的晚上睡觉时间最晚，睡眠时间最短。
德拉伊格利西亚表示，“我成为了研究对象之一，当我回顾自己的数据时，我简直不敢相信我的睡眠有如此大的变化。”
不同区域对睡眠的影响
德拉伊格利西亚的团队和其他研究团队此前的研究表明，电力供应对睡眠有明显的影响。因此研究团队在他们的研究中加入了这个因素。
这项研究涉及阿根廷托巴土著居民的三个不同社区的98个人。每个社区的供电情况都有所不同。一个农村社区没有电力供应，而另一个社区只有有限的电力供应。第三个社区位于人口较多的地区，完全可以获得电力。
睡眠数据通过腕部监护仪以电子方式收集。研究团队表示，他们相信这种方法比过去一些只依赖用户报告的睡眠数据的研究结果更有效。
除了土著社区，研究人员还调查了华盛顿州西雅图地区464名大学生的睡眠数据。这些数据为另一项研究收集。研究人员表示，他们从学生的睡眠数据中发现了相同的月亮周期模式。
德拉伊格利西亚表示，“虽然这种影响在没有电力供应的社区更为强烈，但这种影响在有电力供应的社区也存在。”
科学家表示，还需要进一步的研究来解释受试者睡眠模式变化的其他可能原因。这些原因可能涉及个体的生理差异或社区内的社会模式。
布莱恩·林恩报道。
译文为可可英语翻译，未经授权请勿转载！
