The 20 Best Insomnia Doctors in Brazil

Find the Top Insomnia Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 94 doctor with experience in Insomnia near Brazil. Of these, 78 are Experienced, 11 are Advanced, 3 are Distinguished and 2 are Elite.

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94 providers found
    Elite in Insomnia

    Christoph Nissen
    Elite in Insomnia

    Christoph Nissen
    Freiburg I. Br, 
    BR 

    Christoph Nissen practices practicing medicine in Brazil. Mr. Nissen is rated as an Elite expert by MediFind in the treatment of Insomnia. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Insomnia, Major Depression, Restless Legs Syndrome, and Periodic Limb Movement Disorder.

    Elite in Insomnia

    Dieter Riemann
    Elite in Insomnia

    Dieter Riemann
    Universitätsklinik Der Albert Ludwigs Universität Freiburg I. Br, 
    BR 

    Dieter Riemann practices practicing medicine in Brazil. Mr. Riemann is rated as an Elite expert by MediFind in the treatment of Insomnia. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Insomnia, SHORT Syndrome, ADULT Syndrome, and Restless Legs Syndrome.

    Distinguished in Insomnia

    Helena Hachul
    Distinguished in Insomnia

    Helena Hachul
    Sao Paulo, SP, BR 

    Helena Hachul practices practicing medicine in Sao Paulo, Brazil. Ms. Hachul is rated as a Distinguished expert by MediFind in the treatment of Insomnia. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Menopause, Insomnia, Obstructive Sleep Apnea, Premenstrual Syndrome, and Hormone Replacement Therapy (HRT).

    Learn about our expert tiers
    Distinguished in Insomnia

    Monica L. Andersen
    Distinguished in Insomnia

    Monica L. Andersen
    Av. Pedro De Toledo, 699, 1º Andar, 
    Sao Paulo, SP, BR 

    Monica Andersen practices practicing medicine in Sao Paulo, Brazil. Ms. Andersen is rated as a Distinguished expert by MediFind in the treatment of Insomnia. She is also highly rated in 19 other conditions, according to our data. Her clinical expertise encompasses Obstructive Sleep Apnea, Insomnia, SHORT Syndrome, Menopause, and Oophorectomy.

    Distinguished in Insomnia

    Sergio B. Tufik
    Distinguished in Insomnia

    Sergio B. Tufik
    Department Of Otorhinolaryngology And Head And Neck Surgery São Paulo SP Brazil, 
    Sao Paulo, SP, BR 

    Sergio Tufik practices practicing medicine in Sao Paulo, Brazil. Mr. Tufik is rated as a Distinguished expert by MediFind in the treatment of Insomnia. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Restless Legs Syndrome, Obstructive Sleep Apnea, Excessive Daytime Sleepiness, Adenoidectomy, and Hormone Replacement Therapy (HRT).

    Advanced in Insomnia

    Luciano F. Drager
    Advanced in Insomnia

    Luciano F. Drager
    Sao Paulo, SP, BR 

    Luciano Drager practices practicing medicine in Sao Paulo, Brazil. Mr. Drager is rated as an Advanced expert by MediFind in the treatment of Insomnia. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Obstructive Sleep Apnea, Hypertension, Hyperaldosteronism, Gastric Bypass, and Heart Bypass Surgery.

    Advanced in Insomnia

    Gabriel N. Pires
    Advanced in Insomnia

    Gabriel N. Pires
    Sao Paulo, SP, BR 

    Gabriel Pires practices practicing medicine in Sao Paulo, Brazil. Mr. Pires is rated as an Advanced expert by MediFind in the treatment of Insomnia. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Obstructive Sleep Apnea, Insomnia, Excessive Daytime Sleepiness, and COVID-19.

    Advanced in Insomnia

    Dalva Poyares
    Advanced in Insomnia

    Dalva Poyares
    Sao Paulo, SP, BR 

    Dalva Poyares practices practicing medicine in Sao Paulo, Brazil. Ms. Poyares is rated as an Advanced expert by MediFind in the treatment of Insomnia. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Insomnia, Obstructive Sleep Apnea, REM Behavior Disorder, and MASS Phenotype.

    Advanced in Insomnia

    Cristina Salles
    Advanced in Insomnia

    Cristina Salles
    Salvador, BA, BR 

    Cristina Salles practices practicing medicine in Salvador, Brazil. Ms. Salles is rated as an Advanced expert by MediFind in the treatment of Insomnia. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Insomnia, Obstructive Sleep Apnea, Sickle Cell Disease, and Hemoglobinopathy.

    Advanced in Insomnia

    Renatha Ferreira-El Rafihi
    Advanced in Insomnia

    Renatha Ferreira-El Rafihi
    Sao Paulo, SP, BR 

    Renatha Ferreira-El Rafihi practices practicing medicine in Sao Paulo, Brazil. Ms. Ferreira-El Rafihi is rated as an Advanced expert by MediFind in the treatment of Insomnia. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Insomnia.

    Advanced in Insomnia

    Lia A. Bittencourt
    Advanced in Insomnia

    Lia A. Bittencourt
    Sao Paulo, SP, BR 

    Lia Bittencourt practices practicing medicine in Sao Paulo, Brazil. Ms. Bittencourt is rated as an Advanced expert by MediFind in the treatment of Insomnia. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Obstructive Sleep Apnea, Insomnia, Metabolic Syndrome, and Menopause.

    Advanced in Insomnia

    Giselle S. Passos
    Advanced in Insomnia

    Giselle S. Passos
    Jatai, GO, BR 

    Giselle Passos practices practicing medicine in Jatai, Brazil. Ms. Passos is rated as an Advanced expert by MediFind in the treatment of Insomnia. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Insomnia.

    Advanced in Insomnia

    Leandro Lucena
    Advanced in Insomnia

    Leandro Lucena
    Sao Paulo, SP, BR 

    Leandro Lucena practices practicing medicine in Sao Paulo, Brazil. Mr. Lucena is rated as an Advanced expert by MediFind in the treatment of Insomnia. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Insomnia and Menopause.

    Advanced in Insomnia

    Marcos G. Santana
    Advanced in Insomnia

    Marcos G. Santana
    Jatai, GO, BR 

    Marcos Santana practices practicing medicine in Jatai, Brazil. Mr. Santana is rated as an Advanced expert by MediFind in the treatment of Insomnia. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Insomnia.

    Advanced in Insomnia

    Isabela A. Ishikura
    Advanced in Insomnia

    Isabela A. Ishikura
    Sao Paulo, SP, BR 

    Isabela Ishikura practices practicing medicine in Sao Paulo, Brazil. Ms. Ishikura is rated as an Advanced expert by MediFind in the treatment of Insomnia. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Insomnia, Obstructive Sleep Apnea, Growth Hormone Deficiency (GHD), and COVID-19.

    Advanced in Insomnia

    Camila Hirotsu
    Advanced in Insomnia

    Camila Hirotsu
    Sao Paulo, SP, BR 

    Camila Hirotsu practices practicing medicine in Sao Paulo, Brazil. Ms. Hirotsu is rated as an Advanced expert by MediFind in the treatment of Insomnia. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Obstructive Sleep Apnea, MASS Phenotype, Metabolic Syndrome, Drowsiness, and Shoulder Arthroscopy.

    Experienced in Insomnia

    Silvia G. Conway
    Experienced in Insomnia

    Silvia G. Conway
    Sao Paulo, SP, BR 

    Silvia Conway practices practicing medicine in Sao Paulo, Brazil. Ms. Conway is rated as an Experienced expert by MediFind in the treatment of Insomnia. Her clinical expertise encompasses Insomnia and COVID-19.

    Experienced in Insomnia

    Rosa Hasan
    Experienced in Insomnia

    Rosa Hasan
    Ribeirao Preto, SP, BR 

    Rosa Hasan practices practicing medicine in Ribeirao Preto, Brazil. Ms. Hasan is rated as an Experienced expert by MediFind in the treatment of Insomnia. Her clinical expertise encompasses Insomnia, Kleine Levin Syndrome, Restless Legs Syndrome, and Obstructive Sleep Apnea.

    Experienced in Insomnia

    Cristina Frange
    Experienced in Insomnia

    Cristina Frange
    Vila Clementino, SP, BR 

    Cristina Frange practices practicing medicine in Vila Clementino, Brazil. Ms. Frange is rated as an Experienced expert by MediFind in the treatment of Insomnia. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Drowsiness, Narcolepsy, Excessive Daytime Sleepiness, and Menopause.

    Experienced in Insomnia

    Marcia R. Assis
    Experienced in Insomnia

    Marcia R. Assis
    Curitiba PR, 
    Curitiba, PR, BR 

    Marcia Assis practices practicing medicine in Curitiba, Brazil. Ms. Assis is rated as an Experienced expert by MediFind in the treatment of Insomnia. Her clinical expertise encompasses Insomnia, Obstructive Sleep Apnea, Hypertension, and COVID-19.

    While we make every effort to provide the best results possible, data is currently limited outside of the United States. Doctors listed may include both clinicians and researchers, and individuals relocate frequently. We recommend contacting doctors directly to confirm their location and areas of focus. Contact information is provided when available. Learn more about our expert tiers.
    Showing 1-20 of 94

    Last Updated: 04/28/2026

    What is the definition of Insomnia?

    Insomnia is trouble falling asleep, staying asleep (usually through the night), or waking up too early in the morning.

    Episodes of insomnia may come and go or be long-lasting.

    The quality of your sleep is as important as how much sleep you get.

    When should I see an Insomnia doctor in Brazil?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing an Insomnia doctor in Brazil?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How do I find the best Insomnia doctor in Brazil?

    You can find an Insomnia doctor in any of the 10 largest U.S. cities by clicking below:

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    How does MediFind rank Insomnia doctors in Brazil?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Insomnia doctors in Brazil?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with an Insomnia doctor in Brazil?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Insomnia doctor search results page. 

    Why is it important to get a second opinion from a different Insomnia doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with an Insomnia doctor in Brazil?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Insomnia doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Insomnia doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Insomnia doctors in Brazil?

    Look for the filter feature on the left side of the Insomnia doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find an Insomnia doctor that offers video calls?

    Look for the filter feature on the left-side of the Insomnia doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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