Green tea contains a compound called theanine, which is believed to be the main sleep-promoting substance in the beverage. As an expert sommelier and brewer, I can tell you that theanine plays a crucial role in promoting relaxation and sleep.
Theanine works by reducing the levels of stress-related hormones in our bodies. When we are stressed, our bodies release hormones like cortisol that can interfere with our ability to relax and fall asleep. Theanine helps to counteract these hormones, allowing our bodies to reach a more relaxed state.
Furthermore, theanine also has an effect on our brain's neurons. Neurons are the cells responsible for transmitting signals in our brain. When these neurons become overexcited, it can lead to restlessness and difficulty in falling asleep. Theanine helps to calm these neurons, reducing their excitement and allowing our brains to relax.
I have personally experienced the sleep-promoting effects of theanine in green tea. There have been times when I've had trouble unwinding after a long day of work, and a hot cup of green tea has been my go-to remedy. The theanine in the tea helps to calm my mind and body, making it easier for me to fall asleep.
In addition to theanine, green tea also contains other compounds that can contribute to its sleep-promoting effects. For example, green tea contains small amounts of caffeine, which can help to improve sleep quality. While too much caffeine can interfere with sleep, the small amount found in green tea can have a positive impact on sleep.
It's important to note that the effect of green tea on sleep can vary from person to person. Some individuals may find that they are more sensitive to the sleep-promoting effects of theanine, while others may not experience the same level of drowsiness. It's also worth mentioning that the overall sleep-promoting effect of green tea may be influenced by factors such as the brewing method, steeping time, and the specific type of green tea used.
To summarize, green tea can make you sleepy due to the presence of theanine, a compound that reduces stress-related hormones and calms neuron excitement in the brain. Theanine helps to promote relaxation and make it easier to fall asleep. However, individual responses to green tea may vary, and other factors such as caffeine content and brewing method can also influence its sleep-promoting effects.