领导日本筑波研究团队的益男教授说,当人们为了熬夜而喝咖啡时,仅仅是咖啡的味道就会减轻由不睡觉而产生的压力。
He added: 'Is it better for us to smell coffee bean aroma than to drink coffee, or would any other food-related odour produce similar effects? Further studies are needed.'
他补充说:'闻咖啡豆的气味要比喝咖啡更好。但是否其他食物的气味会产生类似效应呢?