Neuroscience

The sleeping brain remains attentive to its environment

By exposing sleepers to complex sounds, researchers from the CNRS and ENS Paris1, in collaboration with Monash University (Australia), have just demonstrated that our brain can track the sounds in its environment while we ...

Sleep

Sleep is a natural state of bodily rest observed in humans and other animals. It is distinguished from quiet wakefulness by a decreased ability to react to stimuli, and it is more easily reversible than hibernation or coma. It is common to all mammals and birds, and is also seen in many reptiles, amphibians, and fish. In humans, other mammals, and a substantial majority of other animals that have been studied (such as some species of fish, birds, ants, and fruit flies), regular sleep is essential for survival.

The purposes and mechanisms of sleep are only partly clear and are the subject of intense research.

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