@ durex official weibo:
lack of sex is an important reason of insomnia!
American physiologist once a large survey found that sex is not perfect is the main reason that some people suffer from insomnia.
When a person is in sexually active period and for a long time can't find the export,
the nervous system in a highly excited state,
so insomnia can follow, and that in women appear more prominent.
You know why friends always insomnia?
For those who suffer from insomnia of unmarried female friends I just want to say,
please add my QQ