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.
Plus, napping has been known to enhance creative thinking, improve memory, and aid with learning â so perhaps it's time we take a cue from kindergarteners . The ideal length for a power nap varies from person to person, but somewhere between 10 and 20 minutes is the general recommendation . Any longer and deeper stages of sleep begin, which can lead to a zombie-like state of grogginess when it's time to wake up.