Whether taking Ganoderma lucidum for insomnia is useful or not is mainly determined by the patient’s condition, and only by treating the symptomatic condition can we receive good results. Lingzhi can treat insomnia caused by deficiency of qi and blood and loss of nourishment for the heart and spirit. Ganoderma lucidum is sweet in taste and flat in nature. It enters the heart meridian and can replenish the heart blood, benefit the heart qi and put the mind at ease, so it can be used to treat insomnia, palpitation, dreaming, forgetfulness, tiredness and fatigue, and poor appetite due to deficiency of qi and blood and loss of nourishment of the heart. It can be used alone as a powder and swallowed, or combined with Angelica sinensis, Paeonia lactiflora, and Ziziphi jujube nut. Ganoderma lucidum is sweet in taste and warm in nature. It enters the lung meridian, tonifying lung qi, warming the lungs and resolving phlegm, relieving cough and asthma (stopping cough and calming wheezing), and is often used for treating phlegm-drinking (pathological products formed by impaired metabolism of water and liquids) syndrome, and for those who suffer from form-cold (cold body) coughing and phlegm-ridden asthma, especially for those who suffer from phlegm-dampness or deficiency-cold type with better curative effect. It can be used with Codonopsis, Schizandra, and other astringent lung (astringent lung qi), warming yang and drink medicine. Ganoderma lucidum has the function of tonifying qi and blood, so it can often be used to treat short-term deficiency labor, lack of appetite, cold hands and feet, or irritability and dry mouth, etc. It is often used with Cornu Cervi Pantotrichum, ginseng, and dihuang to tonify the deficiency. The adverse reactions and contraindications of Ganoderma lucidum are not clear. If you are not feeling well, you should seek medical advice in a timely manner and do not blindly take medication on your own to avoid delaying your condition.