Insomnia is characterized by difficulty falling asleep and/or staying asleep and is a very common health concern. Insomnia may affect any person at any age. In fact, approximately 10% to 20% of the population has experienced moderate to severe insomnia.¹

Insomnia is often characterized by one or a combination of the following characteristics¹:

• Difficulty falling asleep
• Difficulty staying asleep
• Repeatedly waking up earlier than expected
• Frequently having nonrestful sleep