Half-Awake Seals Help Explain Human Sleep Disorders, University of California, Los Angeles (UCLA) and University of Toronto Study
Published: Feb 25, 2013
The sleep habits of seals are helping researchers learn more about what happens in the human brain when people have trouble staying asleep. "Seals do something biologically amazing -- they sleep with half their brain at a time," said Professor John Peever of the University of Toronto. "The left side of their brain can sleep while the right side stays awake.