Justin Baker writes:
>At night, a diurnal animal is vulnerable to predation. Right. If it is
>out and about, it will get eaten. If it is hiding away in a warm place,
>expending little energy, it will likely save itself from probable death.
>In fact, if one considers the probabilities of predatory attack for
>a diurnal species at night, it soon becomes obvious that by sleeping,
>the species increases its evolutionary potency a good bit.
>There may be obvious gaps in this theory, but overall I find that is a
>useful one. It also has some interesting preadaptive implications,
>which may or may not be obvious. I will not pursue those here.
>I would appreciate any comments.
Why do tigers, lions, and so many ferocious beasts sleep so darn much?