The fluid, chiefly water with dissolved sugars and mineral salts, that circulates in the vascular system of a plant, is explained as the dream with symbolism of strong health and vitality of the dreamer. To see sap in you dream means your physical health and great mental energy. It may also represent someone who is excessively trusting or believing. Maybe you are the person, which can be easily tricked or deceived. Dreaming of sap also is the representation of sentimental aspects in the dreamer.
Dream dictionary: Sap dream meanings
…(Kiss | Sweet) Sugar in a dream represents joy, festivities, recovering from an illness, dispelling anxiety, putting worries aside, fulfilling one’s aspirations, reaching one’s goals, completing one’s duty, a noble wife, a blessed son, an intelligent child, or a son who is a genius in all crafts. If sugar is interpreted as money in the dream, then it means lawful money, and if it is interpreted as a man of knowledge, his knowledge is then free from innovation. A piece of sugar candy means a kiss, money, a child, truthfulness, sincerity in words and actions, recovering from an illness, financial comfort after difficulties, or it could represent profits from a farming business, or from collecting the sap from maple trees in season. A large quantity of sugar in a dream means hearsay or vain talk. Selling sugar in a dream may stimulate hypertension or discomfort. (Also see Sugar cane)…