Insomnia is lack of ability to sleep and can occur at any age. Also, it is more likely to affect women than men. People suffering from insomnia don’t feel fresh upon waking up, resulting in fatigue. Insomnia can be short-term, acute, long-term and chronic.
Causes:

• Fear
• Stress
• Anxiety
• Hormones
• Mental disorders
• Poor sleep hygiene
• Neurological disorders
• Substance abuse
• Medical conditions

Symptoms:

• Difficulty in falling asleep
• Waking during the night
• Waking up too early
• Daytime tiredness
• Irritability
• Depression or anxiety
• Increased errors or accidents
• Fatigue
• Mood changes