Riddle

Four bikers in a cabin are terrified by their own "stay awake" tapping plan. Why?

Choose an answer

A.Clock arithmetic
B.A calculator error
C.Daylight savings
D.Needed 5 people
Hint: It's a 2-word phrase with 12 letters, starting with "N".

Answer

Needed 5 people

Why this is the answer

This is a lateral thinking puzzle where the solution relies on a non-obvious interpretation of the words used.

This riddle is filed under Expert Riddles for Adults and rated Hard.