What Happens in the Brain to ‘Disconnect’ During Sleep?

Razi Berry During sleep and under anesthesia, we rarely respond to such external stimuli as sounds even though our brains remain highly active. Now, a series of new studies by researchers at Tel Aviv University’s Sackler Faculty of Medicine and Sagol School of Neuroscience find, among other important discoveries, that noradrenaline, a neurotransmitter secreted in […]