What it is, how it affects you, and how to help you get back your restful nights
Updated June 7, 2023
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What Is Insomnia? Symptoms of InsomniaWhat Causes Insomnia How Is Insomnia Diagnosed? Treatments for InsomniaInsomnia is one of the most common health concerns among adults. Insomnia causes sleep issues that interfere with daily life and can be debilitating for some people. Many factors may contribute to insomnia, including stress, medications, and an individual’s sleep habits and environment.
What Is Insomnia?Insomnia is a sleep disorder characterized by difficulty falling asleep, staying asleep, or both, even if you have ample time and a bedroom environment conducive to restful sleep. An insomnia diagnosis requires these sleep troubles to also cause daytime impairments, such as sleepiness or difficulty concentrating.
Up to two-thirds of people occasionally experience insomnia symptoms. These bouts of sleeplessness may or may not meet the criteria for a formal diagnosis of insomnia, depending on how long they last and whether they cause distress or interfere with daily functioning. But it is important for anyone who has concerns about their sleep to discuss them with a health professional for proper diagnosis and treatment.
A doctor can ask questions to better understand your situation and order tests to determine if an insomnia diagnosis is appropriate. Symptoms of insomnia can overlap with symptoms of other sleep disorders, so it is important to work with a professional rather than attempting to self-diagnose.
Insomnia that goes untreated, leading to long-term sleep deprivation, is linked with a number of harmful effects Trusted Source UpToDateMore than 2 million healthcare providers around the world choose UpToDate to help make appropriate care decisions and drive better health outcomes. UpToDate delivers evidence-based clinical decision support that is clear, actionable, and rich with real-world insights.View Source , including lower quality of life and increased risk for substance abuse, chronic pain, heart disease, and diabetes.
Types of InsomniaThe two main types of insomnia are acute insomnia and chronic insomnia. Acute insomnia describes sleep difficulties that last for a few days or weeks, but not longer than three months. Short-term insomnia can often be traced to an external cause or life stressor like divorce, the death of a loved one, or a major illness. If acute insomnia persists over multiple months, it becomes classified as chronic insomnia.
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Chronic insomnia is when a person experiences sleeping difficulties and related daytime symptoms, like sleepiness and attention issues, at least three days per week for longer than three months. It is estimated that about 10% to 15% of people have chronic insomnia.
People with chronic insomnia commonly feel distressed about their inability to sleep and the daytime symptoms caused by those sleep issues. Symptoms are generally severe enough to affect a person’s work or school performance as well as their social or family life.
Symptoms of InsomniaThe symptoms of insomnia include various sleep-related difficulties and daytime problems. Common sleep issues that can signal the presence of insomnia include:
Trouble falling asleepTrouble staying asleep throughout the nightUnwanted early morning wakingResisting sleeping at bedtime in children and teensDifficulty sleeping without a caregiver’s help in children and teensIn addition, insomnia causes daytime symptoms related to sleep loss. Those with insomnia often report feeling fatigued during waking hours, which may lead to impaired attention or memory. Insomnia-related sleepiness can affect work, school or social performance, and increase the risk of accidents. Insomnia has the potential to negatively influence behavioral health and may contribute to instances of irritability, hyperactivity, or aggressiveness, especially in children.
What Causes InsomniaThere is no main cause of insomnia. However, research suggests that in many people insomnia likely results from certain types of physiological arousal at unwanted times, disrupting normal patterns of sleep. Examples of such arousal can include a heightened heart rate, a higher body temperature, and increased levels of specific hormones, like cortisol.
A person’s family history, age, and gender may also play a role in their susceptibility to insomnia. Additionally, insomnia disorders often occur alongside mental health disorders, including depression and anxiety. It is believed that the cause of insomnia may be distinct in people who have both insomnia and mental health conditions.
The Matt Walker PodcastSleepFoundation.org’s Scientific AdvisorInsomnia
Listen onBuzzsprout Risk Factors for InsomniaWhile there is no single cause of insomnia, studies have identified factors that can put a person at a greater risk for experiencing insomnia Trusted Source American Academy of Sleep Medicine (AASM)AASM sets standards and promotes excellence in sleep medicine health care, education, and research.View Source . These include, but are not limited to:
Being a woman or assigned female at birthOlder ageLower socioeconomic statusMedical conditions like diabetes and chronic painOther sleep disorders such as restless legs syndrome and sleep apneaMood disorders including depression and anxiety Trusted Source National Library of Medicine, Biotech InformationThe National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.View Source Having an immediate family member with insomniaIt is important to note that not everyone who has one or more of these risk factors will have insomnia, and not everyone with insomnia will have one of these risk factors.
How Is Insomnia Diagnosed?Doctors generally diagnose insomniaby evaluating a person’s sleep habits and medical history.
Typically, a patient’s description of their symptoms informs their insomnia diagnosis. A doctor may instruct patients to keep a sleep diary for a week or more, which can provide insight about a person’s sleep duration, perceived sleep quality, and lifestyle choices that may contribute to sleep problems. Other self-reporting diagnostic tools, including the Pittsburgh Sleep Quality Index, may be used by medical professionals in a clinical setting to determine the severity of insomnia symptoms.
If a doctor needs to rule out other sleep disorders that could be causing a person’s symptoms, other assessments, such as a sleep study, may be ordered.
Treatments for InsomniaTreatment for insomnia depends on how long a person has been experiencing sleep issues and any specific factors that are contributing to their sleep loss. If insomnia is associated with another condition, such as sleep apnea or depression, treatment of the other condition often improves sleep.
It is important to get help with insomnia sooner than later. For people with short-term insomnia, care may be focused on discussing practices to support sleep hygiene. Temporary use of a prescription sleep aid may be an option if the insomnia is causing high levels of concern or distress.
A few treatment approaches are available for people with insomnia that persists for weeks or months.
Cognitive Behavioral Therapy for Insomnia (CBT-I)Experts consider cognitive behavioral therapy for insomnia (CBT-I) to be the most effective initial treatment for chronic insomnia. CBT-I helps people manage anxiety they feel about their sleep issues and establish better sleep habits.
Sleep MedicationsIf a person experiences significant symptoms from insomnia, or in cases where CBT-I does not help, medication may be recommended. Medication can help promote sleep but may also come with side effects, such as daytime drowsiness or confusion.
Homeopathic TreatmentsSome people with insomnia may be interested in exploring other options, such as melatonin or dietary supplements, yoga, hypnosis, or aromatherapy. However, scientific evidence supporting the use of these methods to treat insomnia is lacking at this timeTrusted Source National Center for Complementary and Integrative Health (NICCH)NCCIH funds and conducts research to help answer important scientific and public health questions about complementary health approaches.View Source .
Lifestyle ChangesMaintaining healthy sleep habits after insomnia treatment may help keep insomnia from returning Trusted Source Medline PlusMedlinePlus is an online health information resource for patients and their families and friends.View Source .
Set a sleep schedule: Maintain the same bedtime and wake time every day, even on weekends.Establish a dedicated sleep space: Reserve use of the bed for only sex and sleep.Be mindful of substance use: Curb consumption of caffeine, alcohol, or nicotine, especially near bedtimeControl light exposure: Try to keep the bedroom both dark and quiet, and refrain from watching television or using other electronics that emit blue light before bed. Keep sleep-related anxiety in check: If you are experiencing anxiety about sleep troubles, get out of bed and try a relaxing activity like reading, taking a bath, or meditating. Adjust your eating habits: Avoid eating large meals too close to bedtime.Related News Improving Sleep Reactivity Could Help Prevent InsomniaApril 5, 2023 – Identifying people with highly reactive sleep systems at risk for insomnia after a stressful event can guide early intervention. Analysis of Insomnia Medications Highlighted the Effectiveness of One TypeApril 1, 2023 – Review of studies found that orexin receptor antagonists are highly effective medications for treating insomnia. Insomnia Linked To Increased Risk of Heart Attack Six Months of Psoriasis Treatment Found to Improve InsomniaListed news articles do not represent the opinion of Sleep Foundation and are provided for informational purposes only.
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About Our Editorial TeamWritten By
Eric Suni,Staff WriterEric Suni has over a decade of experience as a science writer and was previously an information specialist for the National Cancer Institute.
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Dr. Anis Rehman,Internal Medicine PhysicianMDDr. Rehman, M.D., is a board-certified physician in Internal Medicine as well as Endocrinology, Diabetes, and Metabolism.
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Url copiedReferences6 SourcesBonnet, M., & Arand, D. (2022, April 15). Risk factors, comorbidities, and consequences of insomnia in adults. In R. Benca (Ed.). UpToDate., Retrieved June 5, 2023, from
https://www.uptodate.com/contents/risk-factors-comorbidities-and-consequences-of-insomnia-in-adultsAmerican Academy of Sleep Medicine. (2014). The International Classification of Sleep Disorders – Third Edition (ICSD-3). Darien, IL.
https://aasm.org/Bjorøy, I., Jørgensen, V. A., Pallesen, S., & Bjorvatn, B. (2020). The prevalence of insomnia subtypes in relation to demographic characteristics, anxiety, depression, alcohol consumption and use of hypnotics. Frontiers in Psychology, 11, 527.
https://pubmed.ncbi.nlm.nih.gov/32265811/Bonnet, M. H., & Arand, D. L. (2021, June 18). Evaluation and diagnosis of insomnia in adults. In R. Benca (Ed.). UpToDate., Retrieved June 5, 2023, from
https://www.uptodate.com/contents/evaluation-and-diagnosis-of-insomnia-in-adultsNational Center for Complementary and Integrative Health. (2015, September). Sleep disorders: In depth., Retrieved June 5, 2023, from
https://www.nccih.nih.gov/health/sleep-disorders-in-depthA.D.A.M. Medical Encyclopedia. (2022, May 12). Changing your sleep habits. MedlinePlus., Retrieved June 5, 2023, from
https://medlineplus.gov/ency/patientinstructions/000757.htmLearn More About Insomnia
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