Mar 30 2012

McGill University: "Sleep and the Suprachiasmatic Nucleus"

The suprachiasmatic nucleus is thought to be the biologic clock that regulates our waking and resting cycle. Find out where it is how it works.

The site has an entire section devoted to the sleeping and dreaming:

Interconnected and hypertexted articles allow you to read about sleep from molecular, neurological, cellular, psychological and social perspectives. Every perspective has essays written for easy, intermediate and advanced readers. A side bar will link you to pages devoted to our biological clock and its respective brain architecture.

see McGill University: The Brain from Top to Bottom, circadian rythm