Reviews of the Derila Ergo Pillow are mixed, with a 4-star rating on platforms like Trustpilot from over 10,000 reviews, but lower scores (1.6 stars from 373 reviews on ProductReview.com.au) elsewhere. Positive feedback highlights its comfort and pain relief. One user shared, “My neck pain has decreased significantly after two weeks,” while another with sleep apnea noted, “I...