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Diseases » Primary insomnia » Glossary

Glossary for Primary insomnia

Chemical addiction: Addiction to and abuse of various substances.
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.
Daytime drowsiness: The experience of drowsiness felt by a person in the daytime
Depression: Various syndromes with excessive anxiety, phobias, or fear.
Difficulty falling asleep: Sleeping difficulty, called insomnia, can involve difficulty falling asleep when you first go to bed at night, waking up too early in the morning, and waking up often during the night.
Fatigue: Excessive tiredness or weakness.
Hypersomnia: Hypersomnia is characterized by recurring episodes of excessive daytime sleepiness (EDS) or prolonged nighttime sleep.
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.
Pregnancy: The condition of supporting a fetus from conception till birth.
Psychophysiological insomnia: The primary components involved are intermittent periods of stress, which result in poor sleep and generate maladaptive behaviors.
Sleep disturbance: Sleeping difficulty, called insomnia, can involve difficulty falling asleep when you first go to bed at night, waking up too early in the morning, and waking up often during the night.
Sleeplessness: The feeling of tiredness and the need to sleep