Speaking of insomnia after drinking tea, some people began to shout again:"I've been drinking tea for decades and have never had insomnia.
Does drinking tea affect sleep?Listen to what netizens have to say. Tea in winter
You will find that some people drink tea during the day and cause insomnia at night, and some people drink tea at night that causes insomnia. Of course, there is still such a group of people who don't lose sleep no matter how they drink tea. Therefore, it is said that ".Is it that people with poor health are prone to insomnia when drinking tea?"In fact, insomnia from tea is a very common thing. Because tea contains a certain amount of theophylline. 
Shiji Pu'er Tea is a professional tea knowledge every day, taking you to explore the tea rivers and lakes together, remember to pay attention to friends who like it, pay attention to it, and don't get lost.
In this regard, Mr. Xu Wenbing once said:Drinking tea will make people sober and excited.
This is because theophylline in tea has a certain effect of stimulating the nerve center. Theophylline can be said to be a natural stimulant. Whether you are tired or thoughtless, after drinking some tea, the whole person will become energetic, as if you have been opened to the two veins of Ren and Du, as if you have divine help, and your inspiration will be concurrent. Therefore, many people are able to write exquisite content after drinking tea. 
So, why don't some people have insomnia and some people don't?
Because everyone's metabolic ability and tolerance for theophylline are different. It's like a group of friends drinking, some people can put down a glass of wine, while some people can't get drunk with a thousand glasses!The same goes for drinking tea. Everyone's absorption of the contents of tea is also different!It can be said to be exact that insomnia from drinking tea is poor health, and such a theory is not valid.
So how do we drink tea without affecting insomnia?You can start from these three points:1. The time to drink tea. The earlier you drink tea, the less likely it is to affect your sleep.
Second, the degree of fermentation of tea. The higher the degree of fermentation, the less likely it is to affect sleep3. The amount of tea drunk. The results of drinking a small cup of tea are also not the same as drinking a liter of tea. The less theophylline you consume, the less likely you are to suffer from insomnia. However, there is a kind of insomnia that has nothing to do with drinking tea. Additions are welcome.