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About Somnos

Everyone deserves a good night’s sleep

Sleep testing provided in a non-hospital environment for your comfort and convenience.Since 1990, Somnos Sleep Disorders Center has been providing comprehensive testing, diagnosis, and follow-up for a wide range of sleep disorders including narcolepsy, leg movement disorders, and parasomnias. Sleep apnea is the most common disorder we encounter and we even assist individuals suffering from shift work sleep disorders.

Good sleep plays an essential role in one's health and quality of life. Our overnight sleep testing will help you learn more about your sleep patterns and allow you to take an active role in your own care. Our medical team will conduct your sleep study, develop a diagnosis, and in consultation with your doctor, recommend appropriate treatment or therapy.

When your doctor refers you for a sleep study, the first step will be to schedule an appointment. Testing is always scheduled to match each person’s normal sleep time.

See For Patients for complete details about sleep studies.

Individual care from our staff of registered sleep technologists, nurses, and respiratory therapists.

A comfortable private bedroom

Our sleeping rooms are private, quiet, light-controlled, and have home-like furnishings. Many individuals prefer the convenience, privacy, and comfort of our non-hospital environment.


Somnos staff

Dr. John Trapp is a board certified sleep specialists and is available by appointment for consultation and treatment.

John F. Trapp
Medical Director

Dr. John Trapp has held the position of Medical Director at the Somnos Sleep Disorders Center since November of 1999. He is a native of Kansas City and a graduate of the Saint Louis University School of Medicine. Dr. Trapp completed his medical residency at the University of Iowa receiving additional training in sleep disorders medicine at the Adult Sleep Disorder Center, University of Iowa.

Dr. Trapp is board certified in sleep medicine, internal medicine, pulmonary, and critical care medicine. He is a board member of the Lancaster County Medical Society and served as the society's president from 2003 to 2004. Dr. Trapp is a member of the American Academy of Sleep Medicine, Nebraska Medical Association, American Medical Association, American College of Chest Physicians, and the American Thoracic Society.

Connie is your resource for scheduling sleep study appointments and checking insurance benefits.

Connie K. Stentz
Patient Support and Scheduling Specialist

Connie Stentz was born in Omaha, Nebraska and raised in Lincoln. After nine years with Cedars Youth Services, she joined the Somnos staff in 2001 as the patient support and clinical scheduling specialist.

Connie received her Bachelor of Science degree in Home Economics from UNL and her Master of Education degree in human development and education from Harvard University. She is board certified in consumer and family sciences (CFCS) and a board certified family life educator (CFLE).

Connie has a special interest in children's sleep hygiene and sleep disorders, and family impact adjustment related to sleep disorders, shift work, and parenting. She is active with other Somnos staff members with the Sleep Apnea Educational Group in Lincoln.

Away from the clinic, Connie enjoys cooking, investment club activities, volunteering for Charlie Brown's Kids, reading, and gardening.

Tim is a registered sleep technologist with nearly twenty years of experience.

Timothy L. Stentz RPSGT
Chief Polysomnographer

Tim Stentz was born in Lincoln and has lived most of his life in Nebraska. After high school he joined the United States Coast Guard and was stationed in Dubuque, Iowa on the Mississippi River. Upon his return from active duty Tim helped launch the Somnos Sleep Disorders Center and has worked as a sleep technologist since 1992.

Tim is a longtime member of the Association of Polysomnographic Technologists, attended the Atlanta School of Sleep Medicine, and is a Registered Polysomnographic Technologist (RPSGT). He is currently the Chief Polysomnographer at Somnos. Tim's duties include the management of the center's technical staff, scoring and quality control of sleep studies, and patient educator for sleep disorders, sleep hygiene, and CPAP compliance.

In his free time, Tim enjoys live music events, working on home improvement projects, and following auto sports events.

Troy is a registered sleep technologist and a community resource for sleep testing questions.

T. Troy Stentz
Operations Manager

Troy Stentz was born and raised in Lincoln, Nebraska. Shortly after completing his Bachelor of Arts degree at the University of Nebraska-Lincoln, he joined his family in the establishment of the Somnos Sleep Disorders Center in 1990. He currently holds the position of Operations Manager and is responsible for the coordination of the daytime activities of the center including patient and physician communications, administration and management of the center staff, and study coordinator for clinical research studies.

Troy is past treasurer of the Association of Polysomnographic Technologists and a Registered Polysomnographic Technologist (RPSGT). He has been active in the field of sleep technology and sleep center management for over ten years. He enjoys the many opportunities to help educate patients about sleep disorders and to see the positive improvement in patient sleep quality and life activities that often results from the accurate diagnosis and treatment of sleep disorders.

Troy and his wife Lisa, a registered nurse, enjoy traveling and exploring new restaurants. Their English Bull Terrier “Brutus” keeps them active and amused at home.

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