At the same time, key emotional and memory-related structures of the brain are reactivated during REM sleep as we dream. REM sleep is the only time when our brain is completely devoid of the anxiety-triggering molecule noradrenaline. REM-sleep dreaming appears to take the painful sting out of difficult, even traumatic, emotional episodes experienced during the day, offering emotional resolution when you awake the next morning. It’s said that time heals all wounds, but my research suggests that time spent in dream sleep is what heals. Here are the two main ways dreams help us. Recent work in my neuroscience lab and the work of other scientists has shown that dreams may have a very particular function important to our well-being. Much of this I outline in my new book, Why We Sleep: Unlocking the Power of Sleep and Dreams, which summarizes the many findings we have about sleep and its function in our lives.īut what about dreaming? Does it also have a purpose? From the GGSC to your bookshelf: 30 science-backed tools for well-being.
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