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

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The first carries compressed air, water, communications and a constant supply of electricity to power lights that are intended to simulate daytime and nighttime.

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Work at Worldport is divided into two "sorts, " a daytime and nighttime window where packages are unloaded from arriving planes, rerouted to their next ride and sent off again.

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The queen of daytime is making a play for nighttime viewers.

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Parker, 51, died from a blow to the back of the head and hypothermia, presumably after the desert's daytime heat quickly turned into a nighttime chill.

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According to the report, the spread of infectious diseases has accelerated not only because the world is warming, but because nighttime temperatures are rising faster than daytime temperatures.

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