The locus coeruleus is emerging as a major new area of research interest, with many important functions such as regulating ...

During a good night’s sleep, the brain gets busy cleaning itself, flushing out waste products that have built up during the day. A study in mice shows how a molecule called noradrenaline ...

Every minute or so during non-rapid eye movement (NREM) sleep, the brain releases a wave of norepinephrine, a hormone that is one of the brain’s primary neurotransmitters. Norepinephrine is a ...

According to the study, the correlation between the release of norepinephrine and changes in brain blood volume was stronger during the restful non-REM sleep than during the more active REM sleep ...

Although there is no cure for narcolepsy, medication and lifestyle changes can help manage the symptoms. Medicines that ...

“Your brain misinterprets relaxation during your sleep as falling from ... movements are the body’s way of testing to see if sleep paralysis has kicked in. As science writer Ada McVean ...

A new study shows how deep sleep may wash away waste buildup in the brain during waking hours, an essential process for maintaining brain health. The findings also offer insights into how sleep ...

By illuminating chemical compounds in the brain, the fibres let them track the flow of blood and cerebrospinal fluid during sleep. They found that as levels of a molecule called norepinephrine ...

The system flushes out toxins from the brain during sleep, helping to preserve healthy brain function. The author continued, 'We're essentially asking what drives this process and trying to define ...

Brain waves and eye movements tell doctors ... Decreased muscle tone and paralysis occur during REM sleep. To record the EMG, electrodes are placed on your chin: one above your jawline and the ...