Sleep strips away consciousness, but it does not shut the brain down. PET imaging of 37 volunteers has shown that regional blood flow, a direct proxy for neural energy demand, shifts dramatically ...

HHMI Investigator Massimo Scanziani and his team are studying what happens in different parts of the brain during REM sleep, a phase of slumber associated with vivid dreams. The team found that during ...

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 ...

Sleep dynamically reorganizes hippocampal activity, but how this reconfiguration supports large-scale coordination across the hippocampal circuit remains unclear. We performed simultaneous recordings ...

This study aimed at: (1) assessing microstructural MRI and glymphatic flow alterations in isolated REM sleep behavioral disorder (iRBD) subjects relative to controls; (2) comparing sub-groups of iRBD ...

A new study uses optogenetics to induce localized sleep in awake mice, reversing memory loss from sleep deprivation.

Sleep talking somniloquy explained: Ever spoken in your sleep? It's common, affecting many adults and children, and can ...

"Our results suggest that certain brain areas in women with isolated REM sleep behavior disorder are better protected than those in men, likely through the action of estrogens," emphasizes Shady ...

An international research team led by Université de Montréal medical professor Shady Rahayel has made a major breakthrough in predicting neurodegenerative diseases. Thanks to two complementary UdeM ...

Ever wondered why you sometimes have conversations in your sleep? These are the three leading explanations, according to ...

“Poor sleep isn’t just about feeling tired — it can actually affect how your brain ages,” says Raj Dasgupta, MD, a board-certified internal and sleep medicine specialist at Huntington Health in ...