Stomach sleeping is illegal - well it should be !
Tummy sleeping might seem comfortable but it is extremely damaging to your spine.
The twisting strains your JAW, CORKSCREWS AND INJURES YOUR NECK,
IMPINGES AND TORSIONS YOUR SHOULDER JOINT, TWISTS YOUR THORACIC SPINE,
SCREWS YOUR LUMBAR SPINE, HIPS, PELVIS
Sleeping on your stomach is one of the worst things you can do to your spine.
Sleep is supposed to be the time when your body rejuvinates. This position will hinder the rejuvinating process.You will cause arthritis in your neck, which in time will choke the nerves of your neck - and possibly lead to a need for an operation.David says - Sleep on your back or put a pillow between your knees.