Here ' s why you don ' t feel jet-lagged when you run a fever

A clump of just a few thousand brain cells, no bigger than a mustard seed, controls the daily ebb and flow of most bodily processes in mammals -- sleep/wake cycles, most notably. Now, scientists report direct evidence in mice for how those cell clusters control sleep and relay light cues about night and day throughout the body.
Source: ScienceDaily Headlines - Category: Science Source Type: news