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.
If you are wanting to take a nap you should only sleep for and hour and a half, which is one cycle. If you can't sleep 90 minutes, only keep your eyes closed but lay horizontally to relieve your blood pressure and to reduce the stress on your body.