It also reinforces the message that they should not do work or watch TV in bed, should limit the light in the bedroom and should avoid stimulants like caffeine late in the day.

它还强调这个信息即在床上不应该工作或是看电视，应当限制卧室的灯光，在一天的晚些时候避免类似咖啡因的刺激。

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People who have many drinks with caffeine,like coffee, experience more stress and produce more stress hormones.

VOA: special.2009.03.24

Philosophers and psychologists knew for a long time that getting smacked in the head could change your mental faculties; that diseases like syphilis could make you deranged; that chemicals like caffeine and alcohol can affect how you think.

哲学家和心理学家在很久以前便知道,头部受到重创,会改变你的心理官能,像梅毒这样的疾病可以让你精神错乱,像咖啡因和酒精这样的化学药品,可以影响到你的思维

耶鲁公开课 - 心理学导论课程节选

The ingredients might make the texture, smell and flavor of chocolate more enjoyable and combine with other ingredients like caffeine to make a person feel good, researcher Daniele Piomelli speculated.

CNN: Researchers say chocolate triggers feel-good chemicals

At the center of his cast is Nutty the Squirrel, a fast-talking puppet that sounds like Mr. Maynard on caffeine and helium.

WSJ: Show Trial: Puppets Act Out Corruption Case

Using that point-of-sale data, for example, Casey's cut way back on candy items and made more room for sugary caffeine drinks (like Red Bull).

FORBES: Inconvenience