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Here at Hibernation Sleep MN, we provide our patients with knowledgeable and friendly dental sleep care in the Twin Cities. Our team holds high standards to ensure we are giving patients the best clinical care and treatment.

Call 651-888-4680 & schedule a complimentary initial consult today & meet our wonderful team.



Dr. Nathaniel Cogswell

Dr. Cogswell started Hibernation Sleep MN in 2018. He received his dental degree from the University of Minnesota and was prompted to delve into the world of dental sleep medicine while studying the effects of the airway on tooth and jaw position and development. The more he learned about sleep apnea, the more he became committed to helping others receive treatment for this life-limiting disease. He has committed to learning all he can about sleep apnea and dental sleep medicine to provide the best treatments with the best equipment for his patients. Dr. Cogswell is a member of the Minnesota Sleep Society, a Diplomate with both the American Board of Dental Sleep Medicine (ABDSM) and the American Sleep and Breathing Academy (ASBA), and a Fellow with the International Academy of Sleep (IAOS). 


Dr. Laurie Strand

 Dr. Strand joined Hibernation Sleep MN in March of 2022. Dr. Strand received her dental degree from the University of Minnesota and practiced general dentistry in Chaska for many years. She has also been an adjunct professor at the U of MN Dental School. Dr. Strand is a member of the MN Sleep Society and a Diplomate of the American Board of Dental Sleep Medicine (ABDSM). She sold her private practice in 2016 and has continued to dedicate her time to treating patients with Sleep Apnea. She loves being part of a team that improves the quality of life for our patients. Outside of the office, Dr. Strand enjoys a variety of outdoor sports and spending time at their family cabin in Northern WI. She is an avid reader, knitter and a flutist in a flute quartet. 


Alex - Office Manager


Alex has been with Hibernation Sleep MN since May 2019. She studied Communications and Psychology at the University of North Dakota and has an extensive background in management. Alex has a passion for helping patients understand Oral Appliance Therapy and has great knowledge on all your medical insurance related questions. When she isn’t working, she is raising her 2 beautiful young children and spending time up north with her family & friends. 




Nelli - Medical Assistant


Nelli has been with Hibernation Sleep MN since November 2018 and has grown with the company ever since. She graduated as a Licensed Dental Assistant from Herzing University in 2020. Her passion is helping our patients improve their sleep with dental sleep medicine and guiding them through their Sleep Apnea therapy process. Originally born in Russia and raised in the states she moved to MN in 2017 & fell in love with the Twin Cities. When she isn’t working, she loves to go to the gym, try new restaurants and explore the great outdoors with her dog.  


Sarahi - Patient Coordinator/Medical Assistant


Sarahi has been with Hibernation Sleep MN since March 2022. She came from the dental field and she has quickly become a major part of our team & the reason we are able to treat as many patients as we do. Her empathy is her strong suit and she gets huge fulfillment in helping our patients where dental and medical meet in the middle. She was originally born in Mexico and raised in Minnesota. In her free time, she enjoys spending time with her family & her pets and traveling/spending time outdoors.