Apr 16, 2009, 6:39 PM. i was at beijing, xian and shanghai end november/early december last year. it was chilly in beijing and xian. about 7-10 degrees in the day and close to freezing point at night, but still manageable. further south in shanghai, it was rather warm, actually.
Possible Causes of Numbness While Sleeping. Numbness while sleeping can be among the causes of insomnia when the loss of sensation interferes with the ability to stay asleep through the night. Pinpointing the cause of the problem can lead to a viable solution.
Vitamins E, B1, B6, B12 and niacin are essential for healthy nerve function. A lack of B12 can lead to pernicious anaemia, an important cause of peripheral neuropathy. However, too much B6 can also cause tingling in the hands and feet. Alcoholism. Alcoholics are more likely to have vitamin deficiencies because of poor dietary habits. Itâs also possible that alcoholism can cause nerve damage.