How to scientifically improve the quality of sleep
Churchill once said: "Sleep is the first meal of life." In our lives, sleep is as indispensable as food and water. If we don't sleep well, our body will sound the alarm for us through the decline of resistance and the deterioration of mental state. For women, if long-term sleep is not good, dark circles, nasolabial folds, and freckles will appear. The sad thing is that these problems are often difficult to remedy.