We--hundreds of millions of us and growing--embrace the very technologies that make our lives and our relationships more difficult and fill many of our waking moments with activity.
作为数十亿的用户群体，我们在向往美好生活、欢呼技术胜利的时候，却忽视了一个问题：恰恰是那些技术使我们的人际关系趋于复杂，并且用各种活动填充了我们除睡觉之外的大部分时间。
According to Nielsen, a media research company, Americans with access to the Internet devote around 26 hours a month to online activity-in other words, just 5% of their waking hours.
根据媒介调查公司尼尔森的统计，有网络连接的美国人每个月花26小时左右的时间进行在线活动——换句话说，相当于他们醒着的时间的百分之五。
An hour and a half after waking, early birds and night owls were equally alert and showed no difference in attention-related brain activity.
在醒后一个半小时，早鸟和夜猫子表现的同样机警，与注意力相关的大脑区域的活动也差不多。
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