1分钟原音听力Lesson13

【小帅帅英语听写训练秘诀】1.循环播放反复听 2.反应不及先空格 3.听到哪里写哪里 4.全部写完才按停 【原文在此】听音频过程中不按听，循环播放（训练开始阶段，平均每篇需要听60-80遍），完全听写完毕才对照原文 Caffeine is the most widely used drug in the world. Many people drink coffee or tea to help them wake up in the morning. And many others drink caffeine throughout the day to prevent sleepiness. So, it is no surprise that if you get too much caffeine before bedtime, it can keep you awake. It turns out that interrupting your sleep is bad for your health on many levels, including the cellular level. A new study explains how interrupted sleep can affect your mental and physical health. The study also explores how poor sleep can affect the cells in your body. Researchers from the United States and the United Kingdom have joined from across the pond to investigate this issue. The investigators are from the University of Colorado, Boulder in the U.S. and the Medical Research Council Laboratory of Molecular Biology in Cambridge, England. They found that caffeinated drinks taken up to three hours before expected bedtime can delay normal sleep times by as much as 40 minutes. 更多英语干货， 关注微信：帅胖英语