Neuroscience

General anesthesia hijacks sleep circuitry to knock you out

The discovery of general anesthesia 170 years ago was a medical miracle, enabling millions of patients to undergo invasive, life-saving surgeries without pain. Yet despite decades of research, scientists still don't understand ...

Neuroscience

New brain research challenges our understanding of sleep

An international study headed by researchers from Aarhus University has for the first time uncovered the large-scale brain patterns and networks in the brain which control sleep, providing knowledge which in the future may ...

Cardiology

Predictors ID'd for successful removal of mechanical ventilation

(HealthDay)—Mechanically ventilated patients who pass a spontaneous breathing trial (SBT) and are extubated reach a higher level of wakefulness, indicated by a higher odds ratio product (ORP), according to a study published ...

Neuroscience

Learning new vocabulary during deep sleep

Sleeping is sometimes considered unproductive time. Could the time spent asleep could be used more productively—e.g., for learning a new language? To date, sleep research has focused on the stabilization and consolidation ...

Alzheimer's disease & dementia

Decreased deep sleep linked to early signs of Alzheimer's disease

Poor sleep is a hallmark of Alzheimer's disease. People with the disease tend to wake up tired, and their nights become even less refreshing as memory loss and other symptoms worsen. But how and why restless nights are linked ...

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