Night
Night
Night (pronounced: /naɪt/) is the period of time when the sun is below the horizon. This occurs after dusk and before dawn, when no direct sunlight is visible.
Etymology
The term "night" comes from the Old English niht, which is derived from the Proto-Germanic *nahts.
Definition
Night is defined as the time between sunset and sunrise, when a location faces away from the sun, causing it to be dark. This darkness is often associated with rest and relaxation, as many organisms, including humans, have a daily pattern of sleep and wakefulness called the circadian rhythm.
Related Terms
- Twilight: The time after sunset and before night, or the time before sunrise and after night, when the sky is partially illuminated by indirect sunlight.
- Midnight: The middle of the night; specifically, the moment of time, which is equidistant between sunset and sunrise.
- Nocturnal: Pertaining to the night; active or happening during the night.
- Insomnia: A sleep disorder that is characterized by difficulty falling and/or staying asleep during the night.
See Also
External links
- Medical encyclopedia article on Night
- Wikipedia's article - Night
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