Scientists Found 4 Signs Of The Ideal Pillow For Your Back, Neck, And Sleep
This research analysed 11 studies, with 309 participants in total. The study authors wanted to evaluate the quality of evidence for the benefits of different pillow materials, heights, shapes, and thermal (heat) properties.
Article source: https://www.huffingtonpost.co.uk/entry/best-pillow-sleep-back-neck-pain_uk_6a7489dee4b0e33593d1eb74