How to determine if I belong to kidney yin deficiency or yang deficiency

Traditional Chinese medicine divides kidney deficiency into kidney yin deficiency and kidney yang deficiency. Kidney yin deficiency can be manifested as insomnia, night sweats, dry mouth, dry throat, hot flashes in the five hearts, soreness of the waist and knees, alopecia and other symptoms. Kidney yang deficiency can be manifested as impotence, premature ejaculation, clear urination, diarrhea, waist soreness, leg pain, chills and other symptoms.