Experts Explore Deep Sleep and the Making of Memories.

Provides information on a study conducted by scientists regarding the role of sleep in consolidating memories. Role of individual cells in forming memory networks that could last a lifetime; Remarks from Terrence J. Sejnowski, a neuroscientist, about the importance of eight hours of sleep each night; Stages of sleep; Problem in studying sleep in whole brains; Technique used for studying millions of cells at a time under slowed conditions.