100 g of apple has 300 kJ. You have a nap that lasts two hours. This is equivalent to of apple.

1.7 apples.

Explanation:          

The average energy consumed per hour while sleeping:

60 dietary cal ⁄ h = 251 kJ ⁄ h

(251 kJ ⁄ h) • (2 hours) = 502 kJ

which is:  502 ⁄ 300 = 1.7 apples

Hope this helps!

catya your not at all which answer i've seen you do this on another question!