Numbness in an extremety upon waking may be caused by poor circulation or nerve impingement. Certain sleep positions may cut-off a portion of circulation to arms, legs etc. Numbness and tingling could be the result of pressure on a nerve. Certain vitamin and mineral deficiencies can also cause neuropathies. Joint pains can be caused by a variety of conditions. Dietary changes to reduce potentially "inflammatory" foods such as wheat, citrus, tomatoes, potatoes, cow's milk, etc. can often reduce joint pain. Pain on the sole of your foot may be caused by improper foot support, repetitive foot positions, strenuous exercise, etc. Sometimes rolling a frozen can of juice beneath your foot for 10-15 minutes daily can provide some relief.