Add Yahoo as a preferred source to see more of our stories on Google. Most people can feel the effects of a bad night of sleep pretty quickly. Maybe words don’t come as easily, or everyday tasks take ...

Sleep is essential to memory function. Insufficient sleep makes concentrating, absorbing information, and storing and recalling memories difficult. Adults need about seven to nine hours of sleep per ...

Summary: Researchers uncovered a direct link between irregular sleep patterns and lowered cognitive performance in early ...

A new study uses optogenetics and roflumilast to prove sleep deprivation blocks memory retrieval, not storage.

Many adults see poor sleep as an unavoidable part of aging. However, growing evidence suggests that chronic sleep deprivation ...

A new study found that poor sleep was linked to memory problems and Alzheimer’s-related brain changes in older women with higher genetic risk for the disea ...

Long-term use of benzodiazepines and Z-drugs may help older adults fall asleep, but new research shows they alter sleep architecture and brain activity in ways that could undermine memory and next-day ...

Researchers led by Masako Tamaki at the RIKEN Center for Brain Science in Japan report a link between deep sleep and cerebrospinal fluid, the clear liquid that surrounds and supports the brain and ...