Do we really need eight hours of uninterrupted sleep a night?
Our modern sleep patterns are very different to those of our ancestors, so is eight hours of unbroken sleep a night the right model?
After receiving a BA from Stanford University and PhD from the University of Adelaide Dr. Lack has been teaching and conducting research in the areas of sleep, circadian rhythms, and insomnia at the School of Psychology, Flinders University since 1972.