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.