Sleep Disorders Glossary P - Z
As you learn about sleep disorders, you'll probably encounter words that you've never heard of before. This glossary can serve as a resource to explain many of these words. Expanding your sleep vocabulary will help you to ask better questions of your doctor and research the topics on your own.
Definition of Zeitgeber
Learn the definition of zeitgeber.
Learn the definition of zeitgeber.
Definition of Unihemispheric Sleep
Learn the definition of unihemispheric sleep.
Learn the definition of unihemispheric sleep.
Definition of Retrognathia
Learn the definition of retrognathia.
Learn the definition of retrognathia.
Definition of Sexsomnia
Learn the definition of sexsomnia.
Learn the definition of sexsomnia.
Definition of Progressive Muscle Relaxation
Learn the definition of progressive muscle relaxation.
Learn the definition of progressive muscle relaxation.
Definition of Polysomnography
Learn the definition of polysomnography.
Learn the definition of polysomnography.
Definition of PLMD
Learn the definition of periodic limb movement disorder (PLMD).
Learn the definition of periodic limb movement disorder (PLMD).
Definition of Paradoxical Sleep
Learn the definition of paradoxical sleep.
Learn the definition of paradoxical sleep.
Parasomnia
What is parasomnia?
What is parasomnia?
Definition of REM Sleep
Learn the definition of REM sleep.
Learn the definition of REM sleep.
Respiratory Disturbance Index (RDI)
What is the definition of Respiratory Disturbance Index?
What is the definition of Respiratory Disturbance Index?
Restless Legs Syndrome
Learn the definition of restless leg syndrome or RLS.
Learn the definition of restless leg syndrome or RLS.
Definition of Seasonal Affective Disorder
Learn the definition of Seasonal Affective Disorder (SAD).
Learn the definition of Seasonal Affective Disorder (SAD).
Sleep Apnea
What is the definition of sleep apnea?
What is the definition of sleep apnea?
Sleep Architecture
Learn the definition of sleep architecture.
Learn the definition of sleep architecture.
Sleep Debt
Learn the definition of sleep debt.
Learn the definition of sleep debt.
Sleep Diary
Learn the definition of sleep diary.
Learn the definition of sleep diary.
Sleep Efficiency
Learn the definition of sleep efficiency.
Learn the definition of sleep efficiency.
Sleep Hygiene
This refers to the habits, environmental factors, and practices that may influence the length and quality.
This refers to the habits, environmental factors, and practices that may influence the length and quality.
Sleep Inertia
The persistence of sleepiness and cognitive and psychomotor impairment that can occur immediately after...
The persistence of sleepiness and cognitive and psychomotor impairment that can occur immediately after...
Sleep Latency
Learn the definition of sleep latency.
Learn the definition of sleep latency.
Sleep Paralysis
It is characterized by a temporary inability to move while transitioning from sleep to wakefulness.
It is characterized by a temporary inability to move while transitioning from sleep to wakefulness.
Definition of Sleep Terror
Learn the definition of sleep terror.
Learn the definition of sleep terror.
Sleepwalking
One of the parasomnias, it is also known as...
One of the parasomnias, it is also known as...
Definition of Slow-Wave Sleep
Learn the definition of slow-wave sleep.
Learn the definition of slow-wave sleep.
Somnambulism
Learn the definition of Somnambulism
Learn the definition of Somnambulism
Somniloquy
What is somniloquy?
What is somniloquy?
Teeth Grinding
The unconscious or involuntary act of clenching or grinding teeth that...
The unconscious or involuntary act of clenching or grinding teeth that...
Definition of Winter Depression
Learn the definition of winter depression.
Learn the definition of winter depression.