Let's all imagine that we did not know that sleep was important...
Right, well that was not so helpful in comparison to the information that I am ABOUT to share.
A study published in 2003 found that 14 days of restricted sleep, restricted being 6-8 hours or less per night with no other sleep permitted, day time naps, etc. was equivalent to 3 days of complete sleep restriction, that is, no sleep at all for 3 days on cognitive performance (I can't be bothered finding the full text of this article to discover what precise activities were done to measure cognitive performance, and therefore it will have to remain a mystery).
Therefore, due to the findings in this article, one is asked, in order to excel in all cognitive tasks, to maintain a consistent sleep duration every night, and that duration to be approximately 8.16 hours per night.
In conclusion, though no physiological reasoning was given in the abstract (don't judge me for just reading abstracts, I really should be investigating senescent chemosensory loss and the resultant effect on taste sensations and thus food intake and its relation to iron status in the elderly), I may get to it one day...
Now to senescent chemosensory loss...
:D
Reference - http://www.ncbi.nlm.nih.gov/pubmed/12683469
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