Neither memory foam nor down: this cubic pillow cuts neck pain 34%
You stand in the bedding aisle debating memory foam versus down pillows. Both promise perfect support for side sleepers. Both fail by 3 AM when your shoulder aches and neck stiffens. Neither material solves the fundamental problem: traditional rectangular pillows cannot fill the right-angle gap your body creates. Recent sleep ergonomics research reveals a surprising … Lire plus









