A nightlight is a small light fixture, usually electrical, placed for comfort or convenience in dark areas or areas that may become dark at certain times, such as at night or during an emergency. Small long-burning candles serving a similar function are referred to as "tealights".
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This article is an automated import of the Wikipedia article "Nightlight", available at https://en.wikipedia.org/wiki/Nightlight . Text is licensed under CC BY-SA 4.0.