Deep Sleep May 'Rinse' Day's Toxins From Brain

THURSDAY, Oct. 31, 2019 -- The deep stages of sleep may give the brain a chance to wash itself free of potentially toxic substances, a new study suggests.

Researchers found that during deep sleep, the "slow-wave" activity of nerve cells appears to make room for cerebral spinal fluid to rhythmically move in and out of the brain -- a process believed to rinse out metabolic waste products.

Lack of Sleep May Cause Thinking Declines in Hispanics

THURSDAY, Oct. 10, 2019 -- If you're Hispanic and missing out on needed sleep, a new study suggests that could make you more prone to memory problems and possibly Alzheimer's disease.

"This finding is particularly important because Hispanics have a significantly higher risk of Alzheimer's disease compared with non-Hispanic whites," said study leader Dr. Alberto Ramos. He is a sleep expert and associate professor of neurology at the University of Miami.

For Insomniacs, Sleep Aids Can Ease a Troubled Mind

THURSDAY, Oct. 3, 2019 -- People with severe insomnia may find that a sedative helps them sleep and banishes thoughts of suicide, a new study suggests.

"If you have a patient who complains that their sleep has taken a turn for the worse, then there is reason to open the door to a question about suicide," said corresponding author Dr. W. Vaughn McCall. He's chairman of the department of psychiatry and health behavior at the Medical College of Georgia at Augusta University.