Are fish able to sleep?
On Jul 15, 3:42�pm, Ian Pollard <[email protected]> wrote:
> Maybe the more interesting question here is the need for sleep at all. One
> theory is memory consolidation, where information and skills acquired during
> the waking day are organised by the brain into usable data. A bit like a
> file indexing service on most modern computer operating systems. The neural
> pathways to access that information are stabilised into long-term memory.
>
> See:http://www.ncbi.nlm.nih.gov/pubmed/14744210?dopt=AbstractPlus
>
> I've also read about experiments done on rats proving that those allowed to
> sleep less than those with natural circadian rhythms died younger.
>
> There are some weird anomalies too. For example new-born dolphins may not
> sleep for the first few months of their lives, which asks all kinds of
> questions about sleep that we presume to be fairly well-established in
> mammals.
>
> Ian
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