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.
Certain medications, such as cancer treatment drugs, are known to cause numbness and tingling in the hands. Some of these cause temporary numbness that goes away after completion of the chemotherapy treatment. Others may cause permanent numbness.