But more than that may cause nervousness, rapid heartbeat, palpitations, sleeplessness, and irritability.
但是再多就会导致神经过敏、心跳加快、心悸、失眠、和烦躁。
Of course, too much caffeine can cause restlessness, anxiety, irritability, tremors, sleeplessness, headaches, gastrointestinal symptoms and abnormal heart rhythms.
当然，过多的咖啡因会导致烦躁、焦虑、兴奋、震颤、失眠、头痛、胃肠道症状以及不规律心律等等。
People who suffer trauma may exhibit irritability, sleeplessness, and difficulties concentrating.
遭受创伤的人们可能会表现出易怒、失眠以及注意力集中障碍。
This product contains as much caffeine as about one cup of coffee. Too much caffeine may cause nervousness, irritability, sleeplessness, and, occasionally, rapid heart beat.
本品含有一杯咖啡的咖啡因，过多的咖啡因可能导致神经过敏，烦燥不安，失眠和偶尔的心跳过快。
This product contains as much caffeine as about one cup of coffee. Too much caffeine may cause nervousness, irritability, sleeplessness, and, occasionally, rapid heart beat.
本品含有一杯咖啡的咖啡因，过多的咖啡因可能导致神经过敏，烦燥不安，失眠和偶尔的心跳过快。
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