They keep half their brain awake so they can watch for predators.
They also only sleep for a few seconds at a time :D
*took three week course in south america on dolphins*
But how do you know if its worth reading if you haven't read it yet? If you haven't read it yet, you don't know what is there, thus you don't know if it is worth reading.
They also only sleep for a few seconds at a time :D
*took three week course in south america on dolphins*
I love dolphins! I wish I could walk and sleep at the same time....