Cervical alignment and sleep: what science really says
Cervical alignment during sleep is not just a marketing concept. It is a precise medical concept, documented by decades of research in biomechanics and rheumatology. Here's what science really says.
1. Nocturnal cervical anatomy
Your cervical spine is made up of 7 vertebrae (C1-C7) naturally forming a lordotic curve (slightly convex forward). This curvature must be preserved even during sleep, as it is in this position that intervertebral discs regenerate and nerves are least compressed.
2. What studies say
A 2022 meta-analysis published in the Journal of Orthopaedic & Sports Physical Therapy analyzed 23 studies on the impact of pillows on neck pain. Key findings:
- Memory foam pillows significantly reduce neck pain vs standard pillows
- Optimal height varies depending on morphology and position (side vs back)
- Contoured cervical pillows (butterfly shape) show the best performance for mixed sleepers
3. Practical application
To maintain optimal cervical alignment:
- Choose a pillow that exactly fills the space between your head and your mattress
- Check that your ear, shoulder, and hip form a straight line (side position)
- Avoid stacking multiple standard pillows
→ The My Morphéa cervical pillow, designed for optimal cervical alignment