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.
Here are a few steps to the perfect nap to get you through the day at peak performance: Quick, 20-minute power naps are typically better than longer ones since lengthier naps cause you to get into deeper stages of sleep, leading to an increased feeling of grogginess upon awakening.