https://www.google.com/search?q=Did+you+know%3A%C2%A0Dolphins+Sleep+with+Half+Their+Brain%3A+Called+unihemispheric+sleep%2C+one+brain+half+stays+alert+to+breathe+and+watch+for+threats+while+the+other+rests%E2%80%94nonstop+multitasking.&client=ms-opera-mini-android&channel=new
This gives a whole new meaning to
'HALF ASLEEP' : Dolphins Sleep with Half Their Brain: Called unihemispheric sleep, one brain half stays alert to breathe and watch for threats while the other rests—nonstop multitasking "
