We grow irritable and lose our ability to focus and make decisions after even one night of missed sleep, and that can lead to serious accidents driving and using other machinery.

• 我们一夜不睡觉的话，就会心情烦燥、精力无法集中加上犹豫不决，如果是在驾驶或操纵仪器，那甚至会导致严重的事故。