Proper neck alignment and adequate support for the cervical spine. The pillow should maintain the natural curve of your neck while keeping your head level with your spine.

Pillow height directly affects spinal alignment. Too high or too low forces your neck into unnatural positions, causing muscle strain and pain over time.

It depends on your sleep position. Side sleepers need firmer support, back sleepers benefit from medium firmness, and stomach sleepers require softer, thinner pillows to prevent neck strain.

Orthopedic doctors recommend replacing pillows every 1-2 years. Over time, pillows lose support and accumulate allergens, both of which can affect sleep quality and neck health.

Yes. When your pillow doesn't support proper alignment, your shoulders compensate by tensing throughout the night. This leads to chronic shoulder and upper back pain.

High-quality down pillows with proper fill power provide excellent support while conforming to your neck's natural shape. Look for 600+ fill power for optimal loft and durability.

Hypoallergenic pillows resist dust mites, mold, and allergens through materials like bamboo-derived fabrics or treated down. This is especially important for people with allergies or respiratory issues.