Temporary 30% discount! Improves sleep and the lying position and reduces and prevents neck complaints   The M Line Athletic Pillow is an innovative support that can be considered as a solution for many sleep related problems. The pillow has a special butterfly shape that ensures that the head stays in the middle of the pillow. This leaves the neck free which relieves nerves and bloodstreams. This has a positive effect on the neck, the body and therefore your sleep.