MindEpic dreaming is leaving people exhausted and distressed Some people experience vivid, incessant dreams that leave them feeling exhausted the next day, with researchers calling for this "epic dreaming" to be classed as a sleep disorder ¿ìè¶ÌÊÓÆµ
LifeJellyfish sleep about as much as humans do – and nap like us too The benefits of sleep may be more universal than we thought. We know it helps clear waste from the brain in humans, and now it seems that even creatures without brains like ours get similar benefits ¿ìè¶ÌÊÓÆµ