Frenetic random activity periods

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Frenetic random activity periods (FRAPs), also colloquially known as zoomies, midnight crazies, or mad half-hours, are random bursts of energy occurring in dogs and cats in which they run frenetically, commonly in circles. They usually last a few minutes or less. It is not known what causes animals to engage in FRAPs. Some veterinary experts have noticed that FRAPs are often associated with times of transition, such as the return of an owner. Other domesticated animals such as rabbits and pigs, and wild animals such as ferrets and elephants, are also known to experience FRAPs. Although little data exists regarding the safety of FRAPs, ethologist Marc Bekoff has suggested that dogs should be allowed to freely engage in them as long as the dog is in a safe area and will not harm others or themselves. Likewise, FRAPs are normal and healthy behavior for cats as well.

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