Understanding Insomnia: Causes, Symptoms, and Management

A man struggling to sleep at night due to insomnia

Insomnia is a sleep disorder that can have several forms – difficulty in falling asleep, waking up in the night or early morning, and getting tired with a feeling of unfulfilled sleep. Insomnia can have an impact on your health, energy level, and work performance. Although sleep requirements vary from person to person, seven to eight hours of sleep is considered adequate for adults.