Metaturnal

Metaturnal

In animal behavior, metaturnality describes the behavior of sleeping partly during the daytime and partly during the night. Metaturnal animals include cats, rabbits, and mice.

See also

Cathemeral, as defined by the Oxford Dictionary of Zoology, is the appropriate term for an animal which has an activity pattern that is neither nocturnal, diurnal, or crepuscular, and is characterized by irregular activity at any time of day or night.