Operational Definitions

Sleep Deprivation (n)
The condition of being robbed of sleep, in real life or in experiment, as opposed to being unable to sleep

REM Sleep: Rapid Eye Movement Sleep. Usually the deepest sleep, where you dream.

Keywords

-Sleep Deprivation
-Sleep Issues
-Sleep
-Teen Sleeping
-Mood
-Mood Vs. Sleep Amount
-Mood Type and Sleep