It is also obvious that skimping on sleep stymies these crucial cognitive processes: some aspects of memory consolidation only happen with more than six hours of sleep.

• 同样清楚的是，吝啬睡眠会妨碍如下重要认知处理过程：记忆的某些部分只能在超过6小时的睡眠中才能得到巩固。