Sandstone: Rock for Crack Climbing. Sandstone is a sedimentary rock, a rock type that encompasses a wide variety of characteristics and is deposited directly on the earthâs surface. Roughly 75% of the earthâs land surface is covered with some type of sedimentary rock. Sedimentary rocks like sandstone form when minute rock particles, often from granite, are deposited by wind and water on earth surfaces.
8. 1  Other Causes. 2  Diabetes causes arms or hands and feet to fall asleep even when one is awake and relaxed. 3  Hand surgery and arthritis damage or irritate the nerves.
I'm so tired of falling asleep all the time. First paralysis claims your legs - if you don't quickly find somewhere to rest, they'll crumple beneath you. Then, in rapid succession, the muscle tone and sense of feeling ebbs from your arms and torso, and your neck flops over.