莓茶有改善睡眠、降血压等功效。

莓茶是一种多年生藤本植物，可以药用，也可以直接饮用。功效有以下这些：

1、莓茶能够改善睡眠：莓茶能够调节神经、镇静安神，因为它能够营养人的神经元，帮助神经放松，能够调理记忆力减退、神经衰弱、失眠多梦和焦虑等症状。

2、莓茶能够降血压：莓茶对大、小动脉有扩张的作用，高血压患者可以选择适量饮用莓茶，能够帮助维持血压稳定。

莓茶无副作用，可以安全放心饮用。莓茶还可以用来祛痰、解热、消肿；还能够改善血管通透性、抗血栓；莓茶还有降血脂、降血压、降胆固醇的作用；以及减少红血球、抗血小板凝聚、改善微循环；还能够保肝护肝、解酒醒酒；并有明显的消炎抑菌、抗病毒等作用。长期饮用莓茶，能全面增强体质和免疫力。

Berry tea is known to improve sleep and lower blood pressure.

Berry tea is a perennial vine that can be used medicinally or consumed directly. Efficacy of these are as follows:

1, berry tea can improve sleep: berry tea can regulate nerves, calm and tranquilize, because it can nourish human neurons, help nerve relaxation, can regulate memory loss, neurasthenia, insomnia and anxiety and other symptoms.

2, berry tea can lower blood pressure: berry tea has a dilating effect on the large and small arteries, hypertensive patients can choose to drink berry tea in moderation, can help maintain stable blood pressure.

Berry tea without side effects, can be safe and secure drinking. Berry tea can also be used to expectorant, antipyretic, swelling; can also improve vascular permeability, anti-thrombotic; berry tea also lower blood lipids, lower blood pressure, cholesterol; and reduce red blood cells, anti-platelet coagulation, improve microcirculation; can also protect the liver, alcohol and sobriety; and has a significant anti-inflammatory and anti-bacterial, anti-viral effects. Long-term consumption of berry tea, can enhance the overall physical and immune system.