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.
Another cause of tingly numb feeling fingers is an overly stressed body. Since stress causes the bodyâs muscles and arteries to tighten, an overly stressed body can cause blood flow to be restricted to the hands, which can also cause a numb and tingly feeling in the fingers.