Often undiagnosed, sleep apnea can quietly affect brain health, impacting memory, focus, and mood. A closer look at the signs ...

Missing a few hours of sleep here and there might not seem like a big deal. But consistently falling short of the recommended 7–9 hours of nightly rest is more than just tiring — it’s harmful. Up to ...

Neuroscientists studying the shifts between sleep and awareness are finding many liminal states, which could help explain the disorders that can result when sleep transitions go wrong Yasemin ...