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.
These prophylactic naps can be two to three hours in duration and are effective in providing additional hours of alertness that night. Youâll feel a bit groggy about 30 minutes following a long nap. Thatâs called âsleep inertia,â but it will soon give way to feelings of alertness.