Insomnia

Definition

Insomnia is a common sleep disorder characterized by difficulty falling asleep, staying asleep, or both. This results in inadequate rest and can affect performance during waking hours.

Related terms

Sleep Hygiene: Refers to habits and practices conducive to sleeping well on a regular basis.

Circadian Rhythm Disorders: These disorders involve disruptions in the normal timing patterns of sleep due to various factors such as shift work or jet lag.

Hypersomnia: A condition characterized by excessive daytime sleepiness or prolonged nighttime sleep.