Stay updated with breaking news from Elda Arrigoni. Get real-time updates on events, politics, business, and more. Visit us for reliable news and exclusive interviews.
A surprising set of findings has implicated the “happy hormone” dopamine as having a central role in our brains’ switch into rapid-eye-movement (REM) sleep, the part of our sleep cycle during which we dream.
What triggers the mammalian sleep cycle's shift between non-rapid eye movement (NREM) and rapid eye movement (REM) sleep? A new study in mice suggests increased levels of dopamine in a key region of the brain during NREM sleep play an important role in this transition.