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Nocturnal

usgb/nɑːkˈtɜːrnl/Volume
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Night Activity

Nocturnal refers to being active or occurring in the night, opposed to daytime.

Illustration for Night Activity
The museum offers nocturnal tours during the summer evenings.
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Human Sleep Patterns

Humans are generally not nocturnal, but some people may work at night or have nocturnal hobbies.

Illustration for Human Sleep Patterns
Since becoming a security guard, Mark has adapted to a nocturnal schedule.
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Environment Adaptation

Nocturnal creatures are adapted to life in the dark, possibly to avoid predators or the heat.

Illustration for Environment Adaptation
Desert rodents are mostly nocturnal to escape the daytime heat.
Visual representation of the word "Nocturnal"

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