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.
Different length naps have various effects on your abilities when you wake up. The benefits of a brief nap â somewhere between just five and 15 minutes â can almost immediately give you a quick âpick-me-up.â But this sort of short nap is thought to have benefits for a limited period, about one to three hours.