对许多人来说,咖啡因的兴奋作用是我们选择这两种饮料的主要原因;在睡眼惺忪的清晨,咖啡因就像石油一样,给我们身体的引擎以能量。只考虑成分的话,咖啡可以轻松获胜:一杯茶的咖啡因含量(40毫克)大约只有标准杯过滤咖啡(80至115毫克)的一半。然而,这并非反映了它们的醒脑作用。
Dosing subjects with either tea or coffee, one study found that both beverages left subjects feeling similarly alert later in the morning.
通过让被试者饮用一定量的茶或咖啡,一项研究发现,这两种饮料都能让受试者在早晨晚些时候感到同样清醒。
Verdict: Against logic, tea seems to provide just as powerful a wake-up call as coffee. It’s a draw.
结论:虽然逻辑上讲不通,但茶跟咖啡的醒脑作用似乎不相上下。平局。
Sleep quality
睡眠质量
The biggest differences between coffee and tea may emerge once your head hits the pillow.
咖啡和茶之间最大的差异或许将集中体现在睡眠上。
Comparing people drinking the same volume of tea or coffee over a single day, researchers at the University of Surrey in the UK confirmed that although both drinks lend similar benefits to your attention during the day, coffee drinkers tend to find it harder to drop off at night – perhaps because the higher caffeine content finally catches up with you.
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