巧克力，是它让你夜不能寐？ 巧克力, 夜不能寐

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Chocolate - Is it Keeping You Up At Night?

A lifetime of insomnia(n.失眠) issues has made me compulsively(adv.强制地，禁不住地) careful about my habits. In the interest of getting a good night's sleep, I try to exercise daily, resolve stressful issues before bedtime and keep my bedroom free of distractions. Oh, and I never, ever have caffeine after 3 pm. A diet coke, a cup of tea -- if it's got even a trace of caffeine in it, it's not going into my mouth at night.

Sadly, I might have to cut out chocolate before bed too. According to The New York Times, a bar of dark chocolate（黑巧克力）can have the same amount of caffeine as a cup of instant tea -- about 30 milligrams（n.毫克）. That's not all -- dark chocolate also has theobromine（n.可可碱）, a known stimulant（刺激物，兴奋剂）that has been linked to sleeplessness.

The silver lining（一线希望）? This is only true of dark chocolate. White chocolate, on the other hand, has no caffeine or theobromine, but it does have a lot of sugar.


长久以来的失眠使我不得不关注自己的生活习惯。为了睡个好觉，我试着每天坚持锻炼，缓解压力，排除卧室的干扰。对了，我还从来不在下午3点后摄入咖啡因。为了避免哪怕一点点咖啡因，我也绝对不会在晚上饮用健怡可乐或茶。

然而，我可能还得在上床前把巧克力也戒掉。按照纽约时报的说法，一块黑巧克力中含有等同于一杯速泡茶的咖啡因,大约30毫克。还没完呢，黑巧克力中还含有可可碱，一种导致无法入眠的刺激物。

还有一线希望？这只是对于黑巧克力而言。至于白巧克力，它们却不含有咖啡因和可可碱，但却含有大量的糖分。