It was found that blood pressure of the snoring group did not decrease in the nighttime (non-dipper).

结果显示鼾症组夜间血压较白昼无明显降低，昼夜节律消失。

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We used iron shutters that almost disappear when folded in the daytime and semi-transparently divide the space in the nighttime when the store is closed.

我们使用了铁质百叶窗，在白天折叠的时候几乎消失，当商店晚上关闭的时候又半透明地隐约分隔了空间。

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While in the nighttime, this material will give the opposite outcome since it will illuminate itself and spread the light out because the original single layer wall has no set back space.

当到了夜晚，这一材料将会产生相反的结果，因为它会照亮自己并且由于最初的单层墙没有阻碍空间因此会将光线传播出去。

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Officials say an intense nighttime downpour triggered the flooding when most residents in the Himalayan region were asleep.

VOA: standard.2010.08.06

But the Afghan leader also has had harsh words for international forces operating in his country, condemning airstrikes and nighttime raids that kill civilians.

VOA: standard.2009.03.28

Under such a program, young drivers are prohibited from nighttime driving, are limited to the number of passengers they can have in their cars at one time and will be ineligible for a full driver's license until they're 18 years old.

VOA: standard.2010.06.24

Solar blasts heading toward Earth can stoke up beautiful auroras in the nighttime sky, and wreak havoc on communications satellites and electrical power grids.

CNN: Sun flips magnetic field

Pettitte's five scoreless innings laid the foundation for a 4-2 win in the first half of Wednesday's day-night doubleheader with Toronto, while Ichiro played the hero in the nighttime edition.

WSJ: Andy Pettitte Strong in Return for Yankees

Sleep apnea may cause a person to be very drowsy in the daytime since nighttime sleep is interrupted frequently.

CNN: How can someone stop or reduce snoring?