I was having trouble sleeping and waking up with headaches and numb arms. I needed a new pillow and I had used these pillows years ago from my chiropractor, and really liked them. The first one I ordered developed a split in the neck support within two weeks and my neck would fall through it while I was sleeping. I called the company and they were really great about immediately sending me another to replace it. Unfortunately, the replacement pillow's support also gave out in two weeks. I am small boned and only use the middle part of the pillow, not the sides. Maybe its just too much for the fibers for 8 - 9 hours straight. I'm so disappointed because this pillow was AMAZING for the first two weeks.