Quiet Sleep : Early phase of sleep where you go into progressively deeper levels of sleep and your body is fully relaxed to prevent easy awakening.
Dream Sleep : State of deep sleep after 3 phases of quiet sleep in which your body is inactive while your mind stores new information into memory and recharges itself.
REM Sleep : Rapid Eye Movement Sleep, or dream sleep.
Sleep Hygiene : Practices that you can use to maximize your ability to get a full night's sleep by addressing lighting, temperature, and non-sleep activity in bed.
Partial Sleep Deprivation : Occurs when you only sleep a few hours and fail to get the amount of sleep your mind and body actually needs (7-8 hours per night) on consecutive nights.
Complete Sleep Deprivation : Occurs when you fail to get any sleep for anything over 1 sleep-wake cycle (approximately 16 hours awake and 8 hours sleeping).
Insomnia : On-going problem with staying asleep despite having the right conditions to be asleep.
Parasomnia : Sleep disorder related to involuntary movements, dreams or moods during the sleep process.
Generalized Anxiety Disorder : A disorder in which people generally experience excessive amounts of worry and anxiety but is not focused on any one aspect of their lives.