Wu Ling Capsule is a proprietary Chinese medicine with the effects of tonifying the kidney and brain, nourishing the heart and tranquilizing the mind (stabilizing the mind by nourishing the heart), capable of treating insomnia caused by heart-kidney dysfunction (heart-fire exuberance, kidney-yin deficiency, and dysfunction in the physiological functions of the heart and kidneys), and needs to be taken under the guidance of a professional Chinese medicine practitioner. Wu Ling Capsule is a proprietary Chinese medicine composed of powdered Wu Ling mushrooms. It is clinically used for the treatment of palpitation (rapid heartbeat, often accompanied by panic), irritability in the heart, insomnia, forgetfulness, mental fatigue, weakness, tinnitus, lumbar and knee soreness (a feeling of soreness and weakness in the lumbar and knee regions) discomfort, dizziness, shortness of breath, etc., caused by disorders of the heart and kidneys. Its adverse reactions are occasional diarrhea, loss of appetite, nausea, stomach distension. It is contraindicated for those who are allergic to the drug composition of Wu Ling Capsules. Pregnant women and allergic individuals should be cautious of using Wu Ling Capsules. Children, the elderly and infirm and those suffering from hypertension, kidney disease and other chronic diseases serious. It is not advisable to consume excitatory drinks such as coffee and strong tea before going to bed. If you have symptoms of insomnia, you can take Wu Ling Capsules under the guidance of a professional Chinese medicine practitioner.