This gentle movement will nudge baby along with the help of gravity so that his back is along your abdomen like a hammock — a perfect position for being born! (mommyedition.com)
Cosmologists will also say that there has not been enough time since the big bang for the ordinary matter we can observe to have congealed into galaxies such as the Milky Way without the help of the gravity of hidden matter. (newscientist.com)
One way to do this is by performing a systemic drain with the help of gravity — just lie on your back and elevate your extremities above the level of the heart to push lymphatic fluid back into central circulation. (fitnessandpower.com)