Sleep

Deep sleep plays role in visual learning

A relationship has been observed between deep sleep and the ability of the brain to learn specific tasks. Researchers at Brigham and Women’s Hospital (BWH) have now shown that the processes that regulate deep sleep may affect visual learning.  These results are published in the March 12, 2008 issue of the Journal of Neuroscience.“These findings show that deep sleep is important for visual learning and possibly the ability of the brain to learn new tasks,” said Daniel Aeschbach, researcher in the Division of Sleep Medicine at BWH and lead author of the study. [continue reading…]

Poor sleep more dangerous for women

Researchers at Duke University Medical Center say they may have figured out why poor sleep does more harm to cardiovascular health in women than in men.

Their study, appearing online in the journal Brain, Behavior and Immunity, found that poor sleep is associated with greater psychological distress and higher levels of biomarkers associated with elevated risk of heart disease and type 2 diabetes. They also found that these associations are significantly stronger in women than in men. [continue reading…]