先试一试一些非处方帮助睡眠的药

There are doctors specialize in sleeping. Try them out. Good luck sleeping...

数绵阳吧，数着数着就睡着了，我经常用

That sounds more than just being unable to fall asleep... Try to find out any stressors  before taking any supplements or medication bah..

Make your everyday routine, quit daytime napping if you have been doing so. Work out regularly, and have a soothing bath before going to bed.

Insomnia almost always has some underlying reasons...