New Zealand, Norfolk Island, and OuvÃ©a, the Polynesian outlier near New Caledonia, are the unsubmerged portions of the largely sunken continent of Zealandia.
The 20-minute power nap -- sometimes called the stage 2 nap -- is good for alertness and motor learning skills like typing and playing the piano. What happens if you nap for more than 20 minutes? Research shows longer naps help boost memory and enhance creativity.
Power napping can improve your performance at work, but it may depend on the length of the nap. A nap between 45 minutes and 60 minutes can result in an increase in information retrieval, according to a study by researchers at Saarland University in Germany published in the journal Neurobiology of Learning and Memory.