Study reveals a connection between sleep complaints, memory abilities, and Alzheimer’s-related brain changes, but only in ...

Medically reviewed by Kathleen Daly, MD Older people often have sleep challenges, but they may benefit from seven to eight ...

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 ...

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 ...

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 ...

Better identification and management of sleep apnea and associated vascular risk factors in midlife may provide an important opportunity to support long-term brain health, according to new research ...

Medieval philosopher Thomas Aquinas once wrote that “sorrow can be alleviated by good sleep.” Now, scientists are learning he was not far from the truth. A study published in July 2019 in the journal ...

We spend nearly a third of our lives asleep, yet sleep is anything but wasted time. Far from being passive downtime, it is an active and essential process that helps restore the body and protect the ...

The pillow is cold against your cheek. Your upstairs neighbor creaks across the ceiling. You close your eyes; shadows and light dance across your vision. A cat sniffs at a piece of cheese. Dots fall ...