Penguins That Sleep Over 10,000 Times A Day | Chinstraps and Art of Power Napping

The chinstrap penguin is a charismatic and easily recognizable species of penguin that inhabits the sub-Antarctic and Antarctic regions. Named for the distinctive thin black line that runs under their heads, resembling a chinstrap, these birds are well adapted to life in harsh, icy environments. A study published shows, nesting chinstrap penguins take over 10,000 small naps throughout the day. They take a continual series of doses that last just 4 seconds but add up to more than 11 hours of slumber. For humans, at least, the prospect isn't very appealing. While a short nap is often welcome, a constant succession of 4-second sleep sounds more like the stuff of nightmares. Incredibly, this strange sleep cycle seems to do the birds no obvious harm, despite the common interpretation that fragmented sleep is bad quality. In fact, the extreme strategy must preserve at least some benefits of sleep, because the flock is fit and successfully reproduces. What is really weird is that the penguin can sustain this in-between wake and sleep state constantly. Chinstrap penguins are medium-sized penguins with a sleek and streamlined appearance. They have a black and white coloration with a white face and belly, contrasting sharply with their black backs, wings, and the aforementioned chinstrap. Their beaks are slender and pointed, and their feet are adapted for efficient swimming. Chinstrap penguins are highly social birds, forming large colonies during the breeding season. They communicate with each other through a variety of vocalizations, including brain sounds. Their diet consists mainly of krill, small fish, and squid. They are skilled hunters, using their streamlined bodies to navigate through the water and catch prey with their sharp beaks.