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.
1 If you try to take it too early in the day, your body may not be ready for more sleep. 2  Naps can restore alertness, enhance performance, and reduce mistakes and accidents. 3  A study at NASA on sleepy military pilots and astronauts found that a 40-minute nap improved performance by 34% and alertness 100%. Post-nap impairment and disorientation is more severe, and can last longer, in people who are sleep deprived or nap for longer periods. 2  Napping can also have a negative effect on other sleeping periods. 3  A long nap or a nap taken too late in the day may adversely affect the length and quality of nighttime sleep.