Hafina Allen is a Licensed Clinician Social Worker specializing in Cognitive Beharioural Therapy (CBT), including CBT-i. She is also a Board Certified-TeleMental Health Provider. She started her career working at Mount Sinai Medical Center in the Brain Injury Research Center, where she was part of team of researchers who were awarded the American Congress of Rehabilitation Medicine’s Licht Award for excellence in scientific writing. The focus of the research was the adaptation of CBT skills for groups of patients being treated for post TBI symptoms. She went on to work at Mount Sinai West, Mount Sinai Saint Lukes and Mount Sinai Morning Side Hospitals before starting in private practice. She received her MSW from the Silver School of Social Work at New York University. She has studied ...
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“I’m exhausted—but the moment I lie down, my mind won’t stop.” If that resonates, you're in good company—I hear it every day from high-achieving clients whose sleep has become yet another thing they can’t solve. Whether it’s difficulty falling asleep, waking at 3 a.m., or feeling drained despite a full night in bed, I specialize in helping driven individuals recalibrate their sleep using CBT-I—the gold-standard, evidence-based treatment for insomnia. With over a decade of advanced clinical experience, I help clients restore true rest so they can perform, lead, and live with clarity. My practice offers discreet, flexible care via secure telehealth in 40+ states, with limited in-person availability. You’ll receive personalized, results-driven support—without waitlists, insurance hoop ...
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Dr. Eric Zhou has helped patients sleep better for 15 years. He is an Assistant Professor of Psychiatry at Harvard Medical School and on faculty in the Division of Sleep Medicine. In 2021, he was 1 of only 9 national experts invited to serve on the American Academy of Sleep Medicine's task force to develop clinical practice guidelines for the behavioral-psychological treatment of insomnia, and the only clinical psychologist in the Northeastern US to have this privilege. Currently, he is helping the American Academy of Sleep Medicine's develop clinical practice guidelines for the combination (behavioral-psychological plus medication) treatment of insomnia, and is 1 of only 3 psychologists in the entire country to be on this panel.
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I believe that sleep is a crucial component of overall health and well-being. My approach is rooted in the principles of Cognitive Behavioral Therapy for Insomnia (CBT-I), focusing on identifying and modifying the cognitive and behavioral factors that perpetuate insomnia. By using tailored interventions, I aim to help you develop healthier sleep patterns, improve sleep quality, and enhance your daily functioning. I offer a compassionate, non-judgmental, and collaborative therapeutic environment where you can feel supported and understood. Together, we will work to identify the underlying causes of your sleep issues and develop a personalized treatment plan. My goal is to empower you with the tools and strategies needed to achieve long-lasting improvements in your sleep and overall qual ...
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Dr. Elizabeth Culnan, PhD, DBSM is a Clinical Health Psychologist, serving patients via telehealth. She works with people needing treatment for insomnia, nightmares, and circadian rhythm disorders. Prior to working in private practice, Dr. Culnan was an Assistant Professor working with the Sleep Disorders Service and Research Center at Rush University Medical Center. She also served as the Associate Director of Behavioral Sleep Medicine Services at Rush University Medical Center. In addition to Behavioral Sleep Medicine Services, Dr. Culnan also provides therapy for anxiety, depression, and perinatal mental health.
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Daniel Jin Blum, PhD, DBSM, is a sleep psychologist and research assistant professor at NYU Shanghai. An expert in cognitive behavioral therapy for insomnia, Dr. Blum trained at UC Berkeley's Sleep & Mood Research Clinic as well as Stanford's Center for Sleep Sciences & Medicine, where he was a clinical fellow. He currently leads research examining the intersections of sleep and circadian fasting, and authored Sleep Wise: How to Feel Better, Work Smarter, and Build Resilience, a book designed to improve wellbeing through sleep and mindfulness. When he is not engaging in patient care, he consults for companies focused on integrating sleep, behavior change, and technology. Dr. Blum is a transracial Korean-adoptee and resides in Shanghai. He received his BA in Psychology from Universi ...
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I am Board Certified in Clinical Psychology and an expert in evidence-based therapy and assessment. As a primary care psychologist for over 8 years, I have helped hundreds of clients improve their sleep using the science of sleep psychology. I am certified by the Department of Veterans Affairs in Cognitive Behavioral Therapy for Insomnia (CBT-I), the gold standard treatment for chronic insomnia. I'm also trained in Brief Behavioral Therapy for Insomnia, Imagery Rehearsal Therapy, CPAP desensitization, and a host of other approaches that can treat problems underlying sleep difficulties (such as anxiety and depression). Licensed in Minnesota and serving the entire state via telehealth.
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Dr. Chang is a certified CBT-I provider with nearly two decades of clinical experience, including positions at prestigious institutions such as UCLA and NYU's Child Study Center. She has successfully implemented CBT-I treatment for numerous clients through her practice, Therapy Lab, where she developed and oversees a specialized "Sleep Well: CBT-Insomnia" treatment program. This structured 8-session program follows evidence-based CBT-I protocols and aligns with WHO's highest-priority treatment recommendations for insomnia. In addition to her direct clinical work, Dr. Chang is committed to training other therapists in evidence-based sleep interventions and has integrated CBT-I into her practice's core service offerings, making this gold-standard treatment more accessible to those struggl ...
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Dr. Rankin earned her B.A. in Psychology at Rice University and her M.A. and Ph.D. in Clinical Psychology from George Mason University. Before beginning clinical work, Dr. Rankin conducted cognitive and developmental psychology research. She interned at Virginia Treatment Center for Children, Medical College of Virginia, treating children and adolescents in day, residential, and acute settings. Dr. Rankin has worked with a variety of adult and child clients at community mental health agencies, inpatient settings, and in private practice. She has supervised doctoral level students and interns in a university clinic and a psychiatric hospital. Dr. Rankin has extensive past experience with psychological and psycho-educational evaluations, and testing in schools, which informs her current psy ...
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I attended Yeshiva University's Ferkauf Graduate School of Psychology for a PhD in Clinical Psychology with Health Emphasis and graduated in 2011. While there, I learned about health psychology and received lectures on CBT-I from doctoral level providers at Montefiore Hospital and researchers at the Albert Einstein College of Medicine. I continue to work with children, young adults, adults, and older adults utilizing CBT-I. Because I often work with individuals managing chronic pain and fatigue (and a variety of medical conditions where sleep is directly impacted such as multiple sclerosis and Ehlers Danlos Syndrome), these skills have served me well and been incredibly useful in my practice. I am a practitioner listed through the Penn MS Center as well as many other clinics and receive re ...
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Dr. Grinberg specializes in the treatment of sleep disorders including insomnia, nightmares, sleep apnea, and circadian rhythm disorders. Dr. Grinberg is a subject matter expert in Cognitive Behavioral Therapy for Insomnia (CBT-I), the 'gold standard' treatment for insomnia and is a national consult for the VA national CBT-I roll out program. Dr. Grinberg received his board certification in Behavioral Sleep Medicine from SBSM in 2021.
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At Restwell Therapy, I specialize in helping people who feel stuck in a cycle of sleepless nights and exhausting days. If you’ve tried every sleep product out there and still can’t quiet your mind at night, you’re not alone—and you don’t have to keep living this way. I use Cognitive Behavioral Therapy for Insomnia (CBT‑I), the gold standard treatment for chronic sleep issues. Together, we’ll: --Replace bedtime dread with a sense of calm and control --Gently retrain your brain and body for natural, restful sleep --Build sustainable habits that support long-term sleep health All sessions are virtual, providing a confidential, comfortable space to reset your relationship with sleep. If you’re ready to stop feeling tired all the time and finally rest well—reach out for a free ...
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Andrew E. Colsky is a former attorney turned mental health clinician and medical technology entrepreneur. He practices Behavioral Sleep Medicine using Telehealth. He is trained in CBT-I and has graduated the advanced CBT-I training and the mini-fellowship in behavioral sleep medicine offered by Perelman School of Medicine. Mr. Colsky has been practicing mental health since 2015 and specializes in treating challenging mental health issues including insomnia and CPAP adherence. He uses evidence-based, scientific treatments that have been tested and proven to be effective. Mr. Colsky will work with you to get to the root cause of your issue and then develop an evidence-based treatment regimen to help you achieve the outcome you desire.
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