There's a species of bird (Chinstrap penguin) which kinda does that: it sleeps by intervals of 4 (four) seconds only. Many times through day & night. Can these

There's a species of bird (Chinstrap penguin) which kinda does that: it sleeps by intervals of 4 (four) seconds only. Many times through day & night. Can these 4 seconds naps be considered sleep? I don't know, but it goes along your question. Source: https://www.nationalgeographic.fr/animaux/insolite-decouverte-ces-parents-manchots-survivent-grace-a-des-micro-siestes-de-4-secondes https://www.nationalgeographic.fr/animaux/insolite-decouvert...