Researchers say this could be because raising children creates financial worry, stress, fatigue and anxiety.

研究人员表示这可能是因为养孩子造成了经济上的担忧、压力、疲劳和焦虑。

Night terrors are most common in children under seven, and may be spurred by stress, fatigue, sleep deprivation, and sleeping in unfamiliar surroundings.

夜惊在7岁以下儿童中最为常见，也许是由于压力或者疲劳、睡眠缺乏、在不熟悉的环境中入睡等。

And with all of the sensors, we're able to make quantifiable inferences about high-level states of mind, things like stress, fatigue, cognitive workload and focus.

利用这些传感器，我们可以对高层级的情绪建立可量化的推测，比如压力、疲劳、认知负荷和注意力。