According to a study, about 95% of the people between the ages of 13 and 64 use electronics before bed, especially the young people. Doctors say that the light from those electronics at night may make you excited before you go to bed.

一项研究表明，年龄13至64岁的人群中，约有95%在睡前使用电子产品，特别是年轻人。医生称，电子产品在夜间发出的光可能会让人在睡前感到兴奋。

youdao

Those opposing action on climate change understand this well and frequently use images of electric light at night in their publicity as a metaphor for excitement, civilisation, and progress.

那些反对环保行动的人深知这一点，经常在他们的宣传中使用夜晚电灯的形象，作为兴奋、文明和进步的隐喻。

youdao

If you must use a night-light, pick a 'low blue' one (lowbluelights.com).

如果你必须要开着灯睡觉，那就换个发出淡蓝色灯光的夜灯吧。

youdao

Efforts to increase wakefulness in night-shift workers have focused on the use of light at night to suppress melatonin, a sleep-regulating hormone.

WSJ: Skin Cancer, Driving and Men

For straight ahead, there are some night vision systems on the market that use a camera that sees reflected infrared light, to detect warm bodies like pedestrians or deer that would otherwise be invisible.

FORBES: You Never Need A Dashboard Camera Until You Really, Really Need a Dashboard Camera