MELATONIN
Recommened Journal Articles:

Bartsch, C., and Bartsch, H. "Melatonin in cancer patients and in tumor-bearing animals." Advances in Exper Med Biol, 1999, 467: 247-64.

Claustrat, B., et al. "Melatonin and jet lag: confirmatory result using a simplified protocol." Biol Psychiatry , 1992, 32: 705-11.

Dollins, A. B., et al. "Effect of inducing nocturnal serum melatonin concentrations in daytime on sleep, mood, body temperature, and performance." Proceedings of the National Academy of Sciences, 1994, 91: 1824-28.

Folkard, S., Arendt, J., et al. "Can melatonin improve shift workers' tolerance of the night shift? Some preliminary findings." Chronobiology Int., 1993, 10: 315-20.