Overview

What Is Insomnia?

What Is Insomnia?

When you feel like you can't fall asleep or stay asleep, this is called insomnia. You may have one or more of these things:

  • having difficulty falling asleep,
  • waking up frequently during the night and having difficulty falling back asleep,
  • waking up too early in the morning, or
  • getting sleep that doesn't make you feel rested and having daytime fatigue.

How is Insomnia Diagnosed? Are There Different Types of Insomnia?

There are a few different types of insomnia. Doctors classify and diagnose these different types by figuring out how often you experience insomnia symptoms.

Here is a list that classifies different types of insomnia:

  • transient or short-term insomnia is when your symptoms may last from a single night to a few weeks;
  • intermittent insomnia is when you have sleepless episodes from time to time;
  • chronic insomnia happens most nights and lasts for a month or more.

What Causes Insomnia?

Many different factors can contribute to insomnia. These can include the following:

  • stress
  • depression
  • anxiety
  • physical illness
  • irregular schedules
  • drinking caffeine
  • circadian rhythm disorders
  • drugs
  • pain
  • post traumatic stress disorder

Some people also may not realize they are having insomnia, or they may have another type of sleeping disorder.