Citations
¹ American Academy of Sleep Medicine. "Obstructive Sleep Apnea — Rising Rates and Undiagnosed Cases." AASM, 2024. aasm.org
² Lee, Kyeong-Ki. "Positional Therapy for Obstructive Sleep Apnea." Sleep Medicine Research, 2023. Positional therapy reduced AHI by 54.1% in OSA patients. sleepmedres.org
³ Cai, D., et al. "Cervical Pillow Height and Its Effects on Airway Patency During Sleep." Journal of Physical Therapy Science, 2021.
⁴ Srijessadarak, A., et al. "Head and Neck Position and Its Influence on Upper Airway Collapsibility During Sleep." Sleep and Breathing, 2022.
⁵ Walker, Matthew. Why We Sleep. Scribner, 2017. On sleep fragmentation and its impact on restorative sleep cycles.
⁶ The Pillow Spine Internal Study (N=80 side sleepers): 90% reported elimination of arm numbness and pins-and-needles within 14 nights of use.
⁷ Lechat, B., et al. "Regular Snoring Is Associated with Uncontrolled Hypertension." npj Digital Medicine, 2024. nature.com
⁸ Peppard, P.E., et al. "Increased Prevalence of Sleep-Disordered Breathing in Adults." American Journal of Epidemiology, 2013. Estimated 26–50% of U.S. adults affected by sleep-disordered breathing.
⁹ Consumer Sleep Journal, May 2025. Independent pilot (N=50 testers): 94% reported reduced neck stiffness after two weeks of The Pillow Spine use; 90% said they would recommend it to family or friends.
¹⁰ The Pillow Spine Verified Post-Purchase Survey, U.S. Customers: 82% reported feeling more energized the morning after first use; 85% reported improved overall sleep quality within the first week.
¹¹ IGR Institut für Gesundheit und Ergonomie. Ergonomic Product Test Result: The Pillow Spine Memory Foam Pillow. Test Date: June 24, 2025. Passed pressure-mapping and expert panel evaluation. igr-ev.de
¹² CertiPUR-US®. Certified Flexible Polyurethane Foam — Lab Report ID: N105969977GRR-001d. Renewal Date: October 15, 2025. certipur.us
¹³ OEKO-TEX® Standard 100. Certificate SH025 230258. Issued February 25, 2025. Valid until November 30, 2025. oeko-tex.com