Cannot. Insomnia is a joint product of fear consciousness and the imagery of abstract thought thus a result of over-emphasized thinking, and the mechanism of insomnia is in the neocortex of the brain.

Hip-sleeping symptoms are a side effect of cold remedies, mainly caused by paracetamol, but they are unstable and not very effective as sleeping pills.

must not

I don't know.

General cold remedies do not contain sedatives, and even if they did, extraction would be difficult and uneconomical, like extracting sugar out of octopus porridge.

cannot (see, hear, understand, as verb complement)

Of course not, cold medicine to eat to make people drowsy that is a side effect of insomnia medication will have a dependence on, or to slowly regulate their own, I am deeply troubled by insomnia, always wake up several times in the middle of the night, adjust the mind is the key!