Test Your Sleep IQ

A healthy night's sleep — we all know we need it, but not all of us get it. When we're under pressure and time is of the essence, it's the first thing we're willing to sacrifice to get the job done. 

Few of us would think twice about burning the midnight oil for the sake of productivity. But at what cost?

How much does a healthy night's sleep really matter? Take the quiz below and find out!

1. Rapid eye movement (REM) is the deepest stage of sleep, when most dreaming occurs. On average, how frequently does REM occur throughout the night? a.)  4 times
   b.)  3 times
   c.)  2 times
   d.)  1 time

Take the rest of the quiz here!