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.
If you are sleeping with your hands on your sides and still get numbness, then it can be due to one of the following reasons: Carpal Tunnel Syndrome: In this condition, the median nerve that provides feeling or sensation to the fingers and facilitates their movement gets compressed at the wrist area.