DYK #16: An apple a day?

Studies have shown that sugary juices can help keep humans awake. The fructose in apple provides the boost to the body. Energy drinks generally work with a combination of caffeine (commonly found in coffees) and easy-absorb sugars.

Verification:
http://www.reference.com/motif/food_and_drinks/do-apples-wake-you-up-better-than-coffee

DYK #5: Naps with power!

A power nap is a short sleep which terminates before the occurrence of deep sleep or slow-wave sleep (SWS), intended to quickly revitalize the subject.

It helps improve concentration, productivity and helps feel less tired.

How to take a power nap:
http://www.wikihow.com/Power-Nap