Pockets of the Brain Can Fall Asleep During the Day

A team of neuroscientists at MIT think they know what causes people to zone out when they’re sleep deprived. According to a study published this week in the journal eLife, as far as sleep is concerned, the brain is not a binary system. The researchers discovered a brain circuit in the thalamic reticular nucleus (TRN) that triggers small areas of the brain to become less alert or even fall asleep. This neurological phenomenon is known as “local sleep,” but it is often referred to as spacing out.

The rest of this article at Mental_floss