Basic Information Description Sleep disturbance that includes difficulty in falling asleep, remaining asleep, intermittent wakefulness, early morning awakening or a combination of these.
Insomnia affects all age groups, but is more common in the elderly.
Insomnia may be transient due to a life crisis or lifestyle change, or chronic, due to medical or psychological problems or drug intake. Frequent Signs and Symptoms Restlessness when trying to fall asleep. Brief sleep followed by wakefulness. Periods of sleeplessness, alternating with periods of excessive sleep or sleepiness at inconvenient times. This is usually characterized by early-morning wakefulness.