Does sleep study treat insomnia?

Insomnia involves difficulty falling asleep, staying asleep or getting restorative sleep despite having a chance to rest. A sleep study records features such as breathing, oxygen levels, heart rate, body movement and brain activity while you sleep. It is mainly used when symptoms suggest sleep apnoea, unusual movements or another sleep-related problem. Many people with straightforward insomnia do not need an overnight study; a sleep history, examination and sleep diary may be more useful. The test provides information, not a cure.

Treatment depends on the pattern and cause. A clinician may recommend cognitive behavioural therapy for insomnia, which works on unhelpful sleep thoughts and habits and builds a steadier routine. Helpful basics include keeping a regular wake time, using the bed mainly for sleep, limiting late caffeine and reducing bright screens before bed. If snoring, gasping, restless legs, pain, mood changes or medicine effects are present, mention them because they can change the assessment. Do not start sleeping tablets without professional advice.

Arrange a medical appointment when poor sleep persists, affects concentration or mood, or makes driving and work unsafe. Seek prompt help for severe daytime sleepiness, repeated breathing pauses noticed by another person, new confusion, or thoughts of self-harm. A clinician can decide whether a sleep study is appropriate and whether another condition needs attention.

Ask what may be maintaining your insomnia, whether a sleep diary or sleep study would add useful information, and which treatment is suitable. Ask how long to try the plan and what symptoms should lead to earlier review.