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About Us

Gandis Mažeika, MD, FAASM

Sleep Medicine Expert

Dr. Gandis Mažeika, a board-certified sleep medicine specialist and multi-year Top Doctor award winner, is the founder and director of Sound Sleep Health based in Kirkland and Seattle, Washington.

Dr. Mažeika earned his medical degree at the University of California, Davis School of Medicine. He completed a joint residency in psychiatry and neurology through Harvard Medical School and Duke University Medical Center, followed by a sleep medicine and behavioral neurology fellowship at Duke. He maintains board certification in sleep medicine, psychiatry and neurology. 

With over 20 years of experience treating patients with a variety of sleep disorders, Dr. Mažeika is a regional leader in the field of sleep medicine. His research focus has been the development and validation of screening questionnaires for sleep disorders.

A fellow of the American Academy of Sleep Medicine and an active member of the National Sleep Foundation, Dr. Mazeika has a passion for raising public awareness of sleep disorders. He has appeared on television and radio and frequently speaks to community groups.

Violet Robb, MSN, ARNP, FNPC

Sleep Medicine Specialist

Violet Robb, MSN, ARNP, FNP-C, is a highly skilled nurse practitioner and provider at Sound Sleep Health in Seattle and Kirkland, Washington. Drawing upon her diverse skill set and deep knowledge of the human body, she quickly and effectively identifies a patient’s sleep issues and improves their quality of rest.

Violet earned her Masters of Science in Nursing from Vanderbilt University School of Nursing in Nashville, Tennessee, where she was a Helen T. Alford Scholar. She specialized as a family nurse practitioner and graduated as a member of Sigma Theta Tau, the international honors society for nursing. She is currently working on her Doctor of Nursing Practice degree through Emory University in Atlanta. 

Violet has trained and worked at a number of different clinics, such as the Lake Serene Primary Care Clinic in Lynnwood, Washington, the Children’s Clinic East in Lebanon, Tennessee, and the Northwest Family Care Center in Seattle, Washington. She’s accumulated over a thousand hours of experience in providing care for acute and chronic conditions and has also worked in a wide array of specialties, such as cardiac care, pediatric care, and mental health care.

Violet is excited to apply her extensive background to helping patients work towards a deeper, richer, and more fulfilling night’s sleep.

Birgit Weeks, MSN, ARNP

Sleep Medicine Specialist

Birgit is an adult nurse practitioner who received her Masters Degree from University of Alabama. She has extensive experience in primary care and in adult /geriatric medicine as an ARNP. She is a member of Sigma Theta Tau International Honor Society. She has a strong interest in sleep medicine as an important component of health promotion. She strives to provide the highest level of healing, well being and quality of life in a holistic context.

She graduated with a BSN from Northeastern University in Boston with Honors. She has conducted international research on the use of music in medicine and was published in 2010. Her research is part of the evidence-based research for the European guidelines for music use in peri-operative care. She has extensive work background as a Certified Critical Care Nurse in various types of ICU's in both Denmark and in the US. Birgit has also had a special interest in use of complementary measures such as imagery, meditation, stress management, and application of music with a focus on promotion of healthy living and improved quality of sleep.

Chris Craig, ARNP

Sleep Medicine Specialist

Christopher Craig has been a nurse practitioner for over three decades. He helps patients with a range of sleep disorders at Sound Sleep Health with three locations in Kirkland and Seattle, Washington.

Over 20 years ago, Craig began his practice in sleep medicine. He was one of the first nurse practitioners nationally to have a clinical practice in this subspecialty who was mentored by local leaders in sleep medicine.

Craig graduated from the University of Washington and has a background as a high-school teacher. He incorporates a strong educational component into the care he provides for patients and families. His priority is helping patients overcome the many tribulations of sleep disorders and helping them to improve quality of life and wellbeing.

Craig enjoys teaching other healthcare providers about sleep disorders. He focuses in particular on the diagnosis and treatment, and the physical and mental health complications that can often arise as a result of specific sleep disorders.

He has a keen interest in research and is an active researcher in the sleep medicine field. He’s been a sub-investigator in numerous phase II and phase III clinical drug trials and studies, ever eager to expand his knowledge and assist the progress of medicine.