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.
But if you miss your prime nap time window, be sure not to take you nap within three hours of bedtime as it may interfere with important nighttime sleep. Commit to a 30-Minute Maximum: When taking a nap longer than 30 minutes, you run the risk of heading into deep sleep, which can leave you feeling tired and groggy.