最佳喝咖啡时间：上午10:30
<p>科学家研究发现，一天中喝咖啡的最佳时间大概是在上午9:30到11:30之间。这是由咖啡因和皮质醇相互作用的方式决定的。“皮质醇”帮助调节身体内部的生物钟，并且让人更加警觉。</p><p>皮质醇的水平在刚起床时是很高的，并且一直持续一个小时之久，在上午8点到9点达到最高。在皮质醇水平高的时候喝咖啡，会让人们对其中的咖啡因产生耐受性，意味着人们需要在早上再喝一杯咖啡才能达到相同的效果。</p><p>其他科学家们发现，在下午喝咖啡能帮助消化午餐吃得过多的食物。最近的调查表明，科学家是所有职业中喝咖啡最多的人，其次是市场营销和公关人士。</p><p><span word="The">The</span> <span word="best">best</span> <span word="time">time</span> <span word="to">to</span> <span word="drink">drink</span> <span word="a">a</span> <span word="cup">cup</span> <span word="of">of</span> <span word="coffee">coffee</span> <span word="to">to</span> <span word="get">get</span> <span word="your">your</span> <span word="daily">daily</span> <span word="hit">hit</span> <span word="of">of</span> <span word="caffeine">caffeine</span> <span word="is">is</span> <span word="between">between</span> 9.30<span word="am">am</span> <span word="and">and</span> 11.30<span word="am">am</span>, <span word="according">according</span> <span word="to">to</span> <span word="neuroscientists">neuroscientists</span>.</p><p><span word="It">It</span> <span word="may">may</span> <span word="seem">seem</span> <span word="that">that</span> <span word="a">a</span> <span word="cup">cup</span> <span word="of">of</span> <span word="strong">strong</span> <span word="coffee">coffee</span> <span word="first">first</span> <span word="thing">thing</span> <span word="in">in</span> <span word="the">the</span> <span word="morning">morning</span> <span word="is">is</span> <span word="the">the</span> <span word="best">best</span> <span word="way">way</span> <span word="to">to</span> <span word="get">get</span> <span word="yourself">yourself</span> <span word="going">going</span>, <span word="but">but</span> <span word="it">it</span> <span word="in">in</span> <span word="fact">fact</span> <span word="waiting">waiting</span> <span word="until">until</span> <span word="later">later</span> <span word="may">may</span> <span word="be">be</span> <span word="better">better</span>.</p>
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