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.
It is a common problem that arm falls asleep at night, this is mostly because you keep your arms above the level of the heart, this position prevents the blood perfusion of the hands leading to numbness, tingling or partial paralysis of your arms. Carpal tunnel syndrome is another cause of this problem.