I djdnt have to flip the pillow once. It stayed cool. I woke up and the pillow was still under my head. Which means I did a lot less tossing and turning in my sleep.
Overall I'm very satisfied with my purchase. It's amazing how fast I'm able to not only get comfy but also to fall asleep with this pillow. It's literally been life changing and really helped me out.
This is my 2nd pillow. Since I consider the amount expensive, I tried to find something cheaper, but comparable. After wasting money, and not getting anything even close to my first GhostPillow, I'm back. I won't waste time or money anymore. Anytime I need a new pillow, I'll come right here and get another GhostPillow. I have MS, and sleep hot. This is the only pillow I can fall asleep at night with.