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快70岁的陈大妈最近总是失眠,夜晚一旦起夜就再难入睡了。晨练时,三个姐妹各自给她介绍了一种自己克服失眠的小妙招,分别是临睡前喝一杯牛奶、喝一杯酒或是吃一点东西。陈大妈接受第一种建议,每晚睡前喝一袋牛奶,但收效甚微,她不得不向有医学背景并曾是一家科普期刊主编的老同学汪先生请教。汪先生告诉她,人们相信牛奶有助睡眠是因为牛奶中含有色氨酸,它具有一定的催眠作用。科学研究
Aunt Chan, almost 70 years old, has been insomnia lately and can not sleep again at night. Morning exercises, the three sisters introduced to her a small coup to overcome their insomnia, respectively, before going to sleep a cup of milk, drink a glass of wine or eat something. Aunt Chan accepted the first proposal, every night before going to bed to drink a bag of milk, but with little success, she had to have a medical background and was a science magazine editor-in-chief old classmate Mr. Wang consult. Mr. Wang told her that people believe that milk helps to sleep because the milk contains tryptophan, it has a certain hypnotic effect. Scientific research