3 ms·
> On land, birds can switch from sleeping with both hemispheres simultaneously to sleeping with one hemisphere at a time in response to changing ecological dema
by supahfly_remix 10y ago
> On land, birds can switch from sleeping with both hemispheres simultaneously to sleeping with one hemisphere at a time in response to changing ecological demands17,18. During such unihemispheric slow wave sleep (USWS) birds keep the eye connected to the awake hemisphere open and directed toward potential threats.
This reminds me of the low-power sleep states of PCI (L0s, L1, etc.) or a multicore CPU