In the first in an occasional series, here's a gem from the latest edition of Critical Care Medicine, which is always a regular read around Online towers: "Des Plaines, IL, October 16, 2002 -- Sleep deprived physicians are negatively affected in terms of alertness, well-being and thinking skills, according to the authors of a study... the data shows that a short period of sleep (nap) will reverse some of the tiredness and drowsiness associated with lack of sleep." You can read the full, startling results here.