保证睡眠质量：睡觉前决不能做的8件事

Studies have shown that pre-slumber screen time can impede your body’s ability to fall asleep. The likely culprit? Well, the bright lights of these screens can hinder the development of melatonin, the hormone that promotes sleep. So close that laptop and turn off that TV about an hour before bed.
研究表明，睡前盯着屏幕能扰乱身体入睡的过程。罪魁祸首是谁？是这些屏幕发出的亮光。它们能阻断褪黑素的形成，而褪黑素是帮你入睡的激素。所以，睡前一小时最好关掉电脑和电视。