TED睡眠不足会发生什么中英文稿.docxVIP

TED：睡眠不足会发生什么？ In 1965, 17 year-old high school student Randy Gardner stay awake for 264 hours, thats 11 days ,to see how hed cope without sleep. On the second day his eyes stopped focusing. Next he lost the ability to identify objects by touch. By day three, Gardner was moody and uncoordinated. At the end of the experiment, he was struggling to concentrate, had trouble with short term memory, became?paranoid?and started?hallucinating. Although Gardner recovered without long term?psychological?or physical damage, for others losing shut-eye can result in?hormone?imbalance, illness, and extreme cases, death. Were only beginning to understand why we sleep to begin with, but we do know its essential. Adults need 7 to 8 hours sleep at night, and?adolescents?need about 10.? 1965年，17岁的高中生兰迪加纳德持续264小时，也就是11天不睡觉，想看看会发生什么。在持续不睡的第二天，他的眼睛停止了聚焦。随后，他丧失了通过触摸鉴别事物的能力。到了第三天，加纳德变得焦躁且笨拙。实验结束时，他已经不能集中注意力。短期记忆力出现问题，变得偏执且开始出现幻觉。虽然实验并未对加纳德造成任何心理或生理上的长期损伤，但对有些人来说，不睡觉会导致激素分泌失调，疾病甚至死亡。一开始我们只是意识到人类需要睡眠。却不知道其根本原因。成年人每晚需要7至8小时的睡眠，青少年则需要10小时。 We grow sleepy due the signals from our body telling our brain we are tired, and signals from the environment telling us its dark outside. The rise in sleep inducing chemicals, like?adenosine?and?melatonin, send us into a light dose that grows deeper.?Making our breathing and heart rate slow down and our muscles relax. This non REM sleep is when DNA is repaired and our bodies?replenish?themselves for the day ahead. In the United States, its estimated that 30% of adults and 66% of adolescents are regularly?sleep-deprived. This isnt just a?minorinconvenience. Staying awake can cause serious bodily harm. When we lose sleep, learning, memory, mood, and reaction time are affected.?Sleeplessness?may also cause?inflammation,?hallucinations, high blood pressure, and its even been linked to?diabetes?and?obesity, in 2014, a devoted soccer fan died after staying awake for 48hrs to watch the world cup. While his untimely death was due to a?stroke, studies show that?chro