Riddle

What is 8 when 8 is sleeping?

Choose an answer

A.Zero.
B.A circle.
C.Two.
D.Infinity.
Hint: It's a word with 8 letters, starting with "I".

Answer

Infinity.

Why this is the answer

Tipping the numeral 8 on its side (as if lying down asleep) forms the infinity symbol (∞).

This riddle is filed under Time, Money, Music Riddles and rated Medium.