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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. Mažeika has a passion for raising public awareness of sleep disorders. He has appeared on television and radio and frequently speaks to community groups.

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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.

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Jenniffer Janowiecki

Jenniffer Janowiecki MSN, PMHNP

  • Clinical Focus: insomnia and medication management
  • Medical Education: MSN, cum laude, University of Alabama, Birmingham
  • ARNP residency, University of Alabama, Birmingham
Leadership Experience:
  • Director, ARNP residency program, Providence Everett Regional Medical Center
  • Charge Nurse: Western State Hospital, UAB Acute Psychiatry ICU
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Joel Younger MD, FAASM

Over 38 years in clinical and academic practice

  • Board Certification: Sleep Medicine, Adult Neurology, Epilepsy
  • Clinical Focus: Sleep Medicine and Neurology
  • Medical School: Jefferson Medical College
Residencies and Fellowships:
  • Adult Neurology: Northwestern University
  • Sleep Disorders: University of Chicago
Leadership Experience:
  • Instructor in Neurology, Rush Presbyterian Medical Center
  • Medical Directorships of Sleep Centers at
    • La Palma Intercommunity Hospital, La Palma CA
    • Western Medical Center, Anaheim CA
    • St. Jude Hospital, Fullerton CA
Prior Experience:
  • Sleep Research Technician, Veterans Administration Hospital, San Francisco
Research Experience and Publications:
  • Principal Investigator on clinical trials of CPAP therapy
  • Multiple contributions to Sleep Medicine and Neurology Journals including seminal articles on measuring impact of CPAP therapy on Sleep Apnea.
Honors and Distinctions:
  • One of the first physicians to achieve board certification in Sleep Medicine in 1983
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Neha Mehta, DO

  • Board Certification: Internal Medicine, Pulmonology
  • Clinical Focus: Sleep Medicine, Pulmonology
  • Medical School: New York Institute of Technology College of Osteopathic Medicine
Residencies and Fellowships:
  • Internal Medicine, Lenox Hill Hospital, New York NY
  • Pulmonary and Critical Care Medicine, LAC and USC Medical Center, Los Angeles CA
  • Sleep Medicine, USC Keck Medical Center, Los Angeles CA
Research Experience and Publications:
  • Original research on the use of antibiotic and antiinflammatory medications in the ICU
  • Peer reviewed book chapter on community vs hospital acquired pneumonia
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Raina Gupta, MD

Over 9 years in clinical practice

  • Board Certification: Sleep Medicine, Adult Neurology
  • Clinical Focus: Sleep Medicine and Neurology
  • Medical School: University of Louisville
Residencies and Fellowships:
  • Adult Neurology, Rush University
  • Sleep Disorders Fellowship, University of Chicago
Leadership Experience:
  • National Board Member, American Physicians of Indian Origin Sleep Chapter
Research Experience, Presentations and Publications:
  • Multiple contributions to Neurology and Emergency Medicine Journals
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Sheila Manhas, MD

Over 10 years in clinical practice

  • Board certification: Sleep Medicine, Adult Neurology
  • Clinical focus:Sleep Medicine and Neurology
  • Medical School:University of Alberta, Canada
Residencies and Fellowships:
  • Adult Neurology, University of Manitoba
  • Clinical Neurophysiology, UCLA School of Medicine
  • Sleep Fellowship, Huntington Memorial Hospital, Pasadena CA
Research Experience and Publications:
  • Research on neurobiology of Alzheimer’s Disease and Motor Neuron Disease
Leadership Experience:
  • Extensive experience doing volunteer medical work in British Columbia and India
  • Coach, womens’ ice hockey
  • Extensive teaching experience during graduate school
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