The effects of coffee and napping on nighttime highway driving: a randomized trial.

Pierre Philip, Jacques Taillard, Nicholas Moore, Sandrine Delord, Cédric Valtat, Patricia Sagaspe, Bernard Bioulac
Ann Intern Med. 2006-06-06; 144(11): 785
DOI: 10.7326/0003-4819-144-11-200606060-00004

---