On returning to England, Darwin and an ornithologist associate identified 13 species of finches that he had collected on the GalÃ¡pagos Islands. This was puzzling since he knew of only one species of this bird on the mainland of South America, nearly 600 miles to the east, where they had all presumably originated.
To get the most out of a nap, follow these tips: 1  Keep naps short. 2  Aim to nap for only 10 to 30 minutes. 3  The longer you nap, the more likely you are to feel groggy afterward. 4  Take naps in the afternoon.
1 Keep to a schedule. 2  Napping at the same time every day will allow your body to regulate itself to fall asleep more quickly at that time. 3  Keep it short. 4  Only nap for 10-20 minutes. 5  A 20-minute power nap provides enough sleep to help you feel refreshed and more alert, yet it won't interfere with falling asleep at night.hese 11 tips will help you wake up rested and refreshed: 1  Nap every single day. 2  Contrary to all the sleep sources that say to avoid napping, I believe daily naps are definitely a good idea. 3  Keep to a schedule. 4  Keep it short. 5  Make it in the early afternoon.