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Does Lexapro Cause Insomnia?

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When it comes to the treatment of anxiety and depression, lexapro, known by its generic name escitalopram, has been a popular choice among doctors and patients alike. But questions have arisen over its side effects, one of which is claimed to be insomnia. 

What is lexapro?

Lexapro is a medication that falls under the category of selective serotonin reuptake inhibitors (SSRIs). It works by increasing the levels of serotonin in the brain, a neurotransmitter that affects mood, emotion, and sleep.

Insomnia: a growing concern

Insomnia, characterised by difficulty falling asleep or staying asleep, is a common problem that affects millions of people worldwide. The relationship between mental health and sleep is complex, so it’s essential to scrutinise whether the medication used to treat mental health conditions may contribute to sleep disturbances.

Lexapro and insomnia

Clinical studies have produced mixed results regarding lexapro and insomnia. Here’s a closer look at the connection:

  • Clinical evidence. Some studies have reported that a small percentage of patients taking lexapro experience insomnia. However, these numbers vary between studies, and other research has not found a significant connection.
  • Patient reports. Anecdotal evidence has shown that some patients experience difficulty sleeping after beginning lexapro treatment. However, it’s worth noting that these reports are subjective, and individual experiences may vary widely.
  • Comparisons with other SSRIs. Comparing lexapro with other SSRIs reveals that they all have the potential to cause insomnia to varying degrees. Some studies suggest that Lexapro may cause insomnia less frequently than other SSRIs.
  • Consideration of underlying conditions. It’s important to recognise that anxiety and depression themselves may contribute to sleep disturbances. It can be challenging to discern whether the insomnia is a side effect of Lexapro or a symptom of the underlying mental health condition.

Tips for managing potential insomnia

If you’re taking Lexapro and experiencing insomnia, there are strategies that may help:

  • Discuss with your doctor. Talk to your healthcare provider about your symptoms to determine whether the medication is the cause or if other factors are at play.
  • Consider sleep hygiene. Implement good sleep habits such as maintaining a consistent bedtime routine, avoiding screens before bed, and creating a comfortable sleeping environment.
  • Explore alternative treatments. If insomnia persists, your doctor may suggest a different medication or a combination of therapy and medication.


While some evidence suggests that lexapro may cause insomnia in a small percentage of patients, the connection is not definitive. The mixed results of scientific studies, variations in patient experiences, and the complexity of mental health and sleep make it difficult to draw a conclusive link.

If you’re concerned about insomnia while taking lexapro, the best course of action is to consult with a healthcare provider. They can consider your unique situation, underlying conditions, and other potential contributing factors to insomnia. Personalised care is crucial, and your healthcare provider can guide you in finding the treatment approach that best fits your needs.

The issue of L=lexapro and insomnia demonstrates the nuanced nature of mental health treatment. It reminds us that every patient is unique, and their response to medication may differ. The pursuit of understanding and addressing these complexities continues to be an essential aspect of mental healthcare.

James Wainwright is a seasoned mental health advocate and writer, who combines his passion for wellness with a commitment to shedding light on the multifaceted aspects of mental health treatment.

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