“Epic dreaming” can make dreams feel unusually long, vivid, and continuous, leaving you mentally exhausted even after enough hours of sleep. Stress, anxiety, insomnia deep sleep may play a role. Researchers are still studying this phenomenon.

“Epic dreaming” can make dreams feel unusually long, vivid, and continuous, leaving you mentally exhausted even after enough hours of sleep. Stress, anxiety, insomnia deep sleep may play a role. Researchers are still studying this phenomenon.