Insomnia is not simply insomnia. There are four types of insomnia:

• Primary: Caused by an inability to sleep and sleep well for no other cause.
• Secondary: Caused by another factor such as back pain.
• Acute: Experiencing insomnia for a short period of time (less than 30 days)
• Chronic: Experiencing insomnia for a longer period of time (greater than 30 days).

Sleep Tip #338: Know the different types of insomnia to design your insomnia prevention or treatment plan.