He explained that cortisol levels also peak at lunchtime and between 5.30pm and 6.30pm, meaning that these would also not be good times to drink coffee.

他解释道，皮质醇水平在中午以及下午5：30 - 6：30之间达到峰值，这也就意味着这两个时间段也不是喝咖啡的最佳时间。