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.
Causes of Hands Fall Asleep While Sleeping. 1. Sleeping on Your Hand for Long. You are likely to experience a tingling arm or hand if you sleep on it for a long period. Your body weight will exert pressure on your nerves and disrupt the circulation of blood to your arm.