Glossary for Hypersomnia

• Amphetamine -- Teratogenic Agent: There is strong evidence to indicate that exposure to Amphetamine during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Anxiety: A feeling of apprehension, and fear without apparent stimulus that is associated sometime with somatic responses
• Atypical depression: AD is a subtype of dysthymia and Major Depression characterized by mood reactivity - being able to experience improved mood in response to positive events.
• Bipolar disorder: Cycles of mania and depression; commonly called "manic-depression".
• Brain damage: Damage to the brain from various causes
• Breathing-related sleep disorder: Breathing-related sleep disorder refers to a spectrum of breathing anomalies ranging from chronic or habitual snoring to upper airway resistance syndrome (UARS) to frank obstructive sleep apnea (OSA) or, in some cases, obesity hypoventilation syndrome (OHS).
• Chronic Fatigue Syndrome: Severe chronic fatigue disorder often following infection.
• Circadian rhythm sleep disorder: A group of sleep disorders involving abnormalities in the timing of the sleep-wake cycle. Examples include jet lag and shift work sleep disorder. Sufferers are unable to wake and sleep in the normal routines required to function in normal work, school and social settings. The sleep quality is usually normal.
• Depression: Various syndromes with excessive anxiety, phobias, or fear.
• Disorientation: Disorientation is an abnormal mental state in which a person is unaware of or confused to person, place, or date/time.
• Drowsiness: Excessive tiredness or sleepiness
• Fatigue conditions: Medical conditions causing or characterized by fatigue (extreme tiredness or weakness).
• Fibromyalgia: A difficult to diagnose condition affecting the muscles and/or joints
• Glioblastoma: An aggressive primary brain tumour of the glial (supporting) cells.
• Hypothyroidism: Too little thyroid hormone production.
• Insomnia: Insomnia is defined as repeated difficulty with the initiation, duration, maintenance, or quality of sleep that occurs despite adequate time and opportunity for sleep that results in some form of daytime impairment.
• Kleine-Levin Syndrome: Kleine-Levin syndrome is a rare neurological disorder characterized by recurring periods of excessive amounts of sleep and altered behavior.
• Major depressive episode: Episode of severe depression and related symptoms
• Mental illness: Any psychological syndrome
• Methylphenidate -- Teratogenic Agent: There is evidence to indicate that exposure to Methylphenidate during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
• Narcolepsy: Narcolepsy is characterized by the classic tetrad of excessive daytime sleepiness, cataplexy, hypnagogic hallucinations, and sleep paralysis.
• Obstructive sleep apnea: Obstructive sleep apnea (OSA) syndrome is characterized by episodic upper airway obstruction that occurs during sleep.
• Parasomnia: Parasomnia are a category of sleep disorders that involve abnormal and unnatural movements, behaviors, emotions, perceptions, and dreams that occur while falling asleep, sleeping, between sleep stages, or arousal from sleep.
• Primary insomnia: Primary insomnia is sleeplessness that is not attributable to a medical, psychiatric, or environmental cause.
• Proximal myotonic dystrophy: A very rare genetic muscle disorder which is often associated with cataracts, abnormal heart rhythm and infertility. Muscle weakness tends to occur more in muscles closer to the trunk such as the neck, shoulders, hips and upper legs. Pregnancy can exacerbate or initiate symptoms.
• Psychiatric disorders: Any condition that affects ones mind
• Psychological disorders: Any condition that affects ones mind
• Schizophrenia: A psychiatric disorder characterized by hallucinations and delusional beliefs where a person is unable to distinguish between reality and imagination. The condition tends to have a chronic nature and can be severely debilitating if treatment isn't sought.
• Sleep apnea: Childhood obstructive sleep apnea (OSA) syndrome is characterized by episodic upper airway obstruction that occurs during sleep.
• Sleep deprivation: The condition of not getting enough sleep.
• Sleep disorders: Any disorder that affects ones sleep
• Summer affective disorder: Seasonal affective disorder is a mood disorder in which people who have normal mental health throughout most of the year experience depressive symptoms in the winter or, less frequently, in the summer, repeatedly, year after year.
• Uremia: Excessive urea and waste products in the blood

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