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….

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….