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.
The brain is quite similar in that as you nap, even for very short periods of time, benefits can be seen in a number of areas. Sleep experts suggest that taking a 10-to-20-minute power nap can give you a quick burst of alterness and mental clarity when you donât have much time.