How is Insomnia Diagnosed?

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Doctors use a number of approaches to diagnose insomnia and understand a person's unique symptoms. Some of these measures can be done at home, while others require an office visit or an appointment at a sleep clinic.

Here you'll find information on when, where, and how to seek help if you have difficulty sleeping, as well as tips for talking to your doctor and a list of questions you may want to think about before your visit to be better prepared.

There are many ways to improve your sleep that involve psychological and behavioral steps. Cognitive behavioral treatments for insomnia (CBTi), relaxation techniques, and general sleep hygiene guidelines can help many people with sleep difficulties.

Diagnosing Insomnia

There is no definitive test for insomnia. Doctors use many different tools to diagnose and measure insomnia symptoms, some of which involve asking you questions in the office, having you fill out logs and questionnaires, performing certain blood tests, or doing an overnight sleep study. All of these tests help your doctor understand your personal experience with insomnia and create the right treatment plan.

Sleep log:  A sleep log is a simple diary that keeps track of details about your sleep. In a sleep log, you’ll record details like your bedtime, wake up time, how sleepy you feel at various times during the day, and more. A sleep log can also help your doctor figure out what might be causing insomnia. Here is a  sample sleep log .

sleep inventory  is an extensive questionnaire that gathers information about your personal health, medical history, and sleep patterns.

Blood tests:  Your doctor may perform certain blood tests to rule out medical conditions such as thyroid problems, which can disrupt sleep in some people.

Sleep study:  Your doctor may suggest that you do an overnight sleep study, or polysomnography, to gather information about your nighttime sleep. In this exam, you sleep overnight in a lab set up with a comfortable bed. During the exam you will be connected to an EEG, which monitors the stages of your sleep. A sleep study also measures things like oxygen levels, body movements,