The Mean Preferred Time of Going to Sleep Gets Later

question 109

True/False

 The mean preferred time of going to sleep gets later and later until about age 20 and then starts a gradual reversal.

---

Definitions:

Motivated

Having a strong desire to do or achieve something.

Right Thing

The morally good or correct course of action in a given situation.

Single Explanation

A theory or answer that accounts for a phenomenon or occurrence with one overriding cause or rationale.