Sleep Disorders Glossary A - E
Actigraph
What is an actigraph?
Actigraphy
Learn the definition of actigraphy.
Advanced Sleep Phase Syndrome
What is the Advanced Sleep Phase Syndrome?
Definition of Alpha Activity
Learn the definition of alpha activity.
Definition of Apnea
Learn the definition of apnea.
Apnea-Hypopnea Index or AHI
What is the definition of Apnea-Hypopnea Index?
Definition of Arousal
Learn the definition of arousal.
Definition of Arousal Disorder
Learn the definition of arousal disorder.
Definition of Awakening
Learn the definition of awakening.
Definition of Bedtime
Learn the definition of bedtime.
Bedwetting
Learn the definition of bedwetting.
Definition of Benzodiazepines
Learn the definition of benzodiazepine.
Definition of Beta Activity
Learn the definition of beta activity.
Definition of Bilevel
Learn the definition of bilevel.
Definition of Biological Clock
Learn the definition of biological clock.
Definition of BiPAP
Learn the definition of BiPAP.
Definition of BMI
Learn the definition of BMI.
Definition of Brain Wave
Learn the definition of brain wave.
Definition of Bruxism
Learn the definition of bruxism.
Definition of Caffeine
Learn the definition of caffeine.
Definition of Carbon Dioxide
Learn the definition of carbon dioxide.
Cataplexy
Learn the definition of cataplexy.
Definition of Catathrenia
catathrenia sleep sighing parasomnias sleep sighs snoring sleep apnea sleep talking somniloquy groaning breath holding
Central Sleep Apnea
Learn the definition of central sleep apnea.
Definition of Circadian
What is circadian?
Definition of Circadian Rhythm
Learn the definition of circadian rhythm.
Definition of Circadian Rhythm Sleep Disorder
Learn the definition of Circadian Rhythm Sleep Disorder.
Definition of Cognitive Behavioral Therapy
Learn the definition of cognitive behavioral therapy.
Definition of Continuous Positive Airway Pressure (CPAP)
Learn the definition of Continuous Positive Airway Pressure or CPAP.
Definition of Deep Sleep
Learn the definition of deep sleep.
What is Delayed Sleep Phase Syndrome?
Learn the definition of Delayed Sleep Phase Syndrome.
Definition of Delta Activity
Learn the definition of delta activity.
Definition of Delta Sleep
Learn the definition of delta sleep.
Definition of Desaturation
Learn the definition of desaturation.
Definition of Diurnal
Learn the definition of diurnal.
Definition of Dream
Learn the definition of dream.
Definition of Dreaming Sleep
Learn the definition of dreaming sleep.
Definition of Dyssomnia
Learn the definition of dyssomnia.
Definition of Electroencephalogram (EEG)
Learn the definition of electroencephalogram or EEG.
Electromyogram (EMG)
Learn the definition of electromyogram or EMG.
Definition of Electrooculogram (EOG)
Learn the definition of electrooculogram or EOG.
Entrain
Learn the definition of entrain.
Entrainment
Learn the definition of entrainment.
Enuresis
Learn the definition of enuresis.
Definition of Epworth Sleepiness Scale
Learn the definition of Epworth Sleepiness Scale.
Epworth Sleepiness Scale
Learn the definition of Epworth Sleepiness Scale.
Excessive Daytime Sleepiness
Learn the definition of excessive daytime sleepiness.
Definition of Cheyne Stokes Breathing
What is the definition of Cheyne Stokes breathing? Learn how this pattern of breathing (or respiration) might be associated with central sleep apnea, heart failure, stroke, traumatic brain injury, carbon monoxide poisoning, sleeping at high altitudes, and imminent death.
Definition of Adenosine
Learn the definition of adenosine. How does this natural chemical affect the brain and cause sleepiness? What role does it have in the effects of caffeine?
Definition of Antihistamine
Learn the definition of antihistamine and how this class of medications may work to treat allergic reactions and difficulty sleeping. Common antihistamines include Benadryl, Unisom, and Nyquil. One of the common side effects is sedation, but does this make these medications an appropriate option to treat insomnia? How long should you use them to...
Definition of Adenoids
Learn the definition of adenoids. Where are the adenoids and what role do they have in fighting infection? Consider how enlargement of the tonsils and adenoids may lead to snoring and obstructive sleep apnea in children and the role of tonsillectomy and adenoidectomy in treating this.
