On 6 March 2014 11:57, Russell Standish <[email protected]> wrote:
> On Wed, Mar 05, 2014 at 02:26:50PM -0800, [email protected] wrote: > > > > > So....you're saying its about resting the sensitive visual machinery? Why > > not do that with an extra pair of eyes and a shift rota? That seems like > a > > legitimate challenge John, since it seems very doable, and the > > benefit would be 24 hour action. Maybe even a pair of day eyes, and > another > > pair of night eyes. > > > > Dolphins do something like this - they sleep one brain hemisphere at a > time, so they don't drown in their sleep. > > Birds do it too, possibly evolution has operated so as to stop them falling of telephone wires :-) I think this is quite common amongst the animal kingdom, plus is makes sense for anything that can't afford to sleep (and explains why two brain hemispheres, perhaps). Of course this implies that sleep is necessary for some reason. Presumably to get the hardware back into a working state because it gradually degrades or accumulates wastes or something. -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/groups/opt_out.
