On New Year's Eve, Russians have the world's latest bedtime, hitting the hay at around 3:30 a.m.
出自-2015年12月阅读原文
英语六级真题
Still, if late sleepers want to lose a few pounds, they can go to bed earlier than they usually do, thereby reducing their chances of taking snacks before bedtime.
2017年12月六级真题（第二套）听力 Section B
This report corresponds with the existing scientific literature on bedtime and wellness.
2017年12月六级真题（第二套）听力 Section B
柯林斯高阶英汉双解学习词典释义
N-UNCOUNT
就寝时间
Your bedtime is the time when you usually go to bed.