What are you dreaming of?
Neptune in the houses/signs is quite good at showing what themes your dreams might frequently have.
Neptune in the 1st/Aries: your appearance, appearance issues such as teeth falling out/balding, your self, your identity, sense of self, drugs, alcohol, substance abuse in dreams, very abstract dreams (cloudy, misty, abstract forms), energy fields, sensitivity regarding the environment, naked in public, clothes, change, weight, moving slow
Neptune in the 2nd house/Taurus: your possessions, theft, debt, money, loans, shopping, money, relaxing, leisure, self-worth related dreams, losing everything you own, house being burned down, losing your possessions, clothes, banking, materials with sentimental value, university, food, eating, gaining/losing weight, inability to fulfill needs (ex. going to the toilet), having your house broken into, wealth
Neptune in the 3rd house/Gemini: dreams related to school (up to university), old classmates, extended family, siblings, friends who feel like siblings, communication, speech impediments, not being able to talk, conversations, trauma related to childhood school experiences, the clouds/being in the clouds, traffic accidents, going to school/work, haste, nervous energy, walking in school hallways, windows, getting bad grades, your neighborhood, seeing something written down
Neptune in the 4th house/Cancer: immediate family, parents, grandparents, dying physically, being old, drowning/sinking, water, the ocean, hidden treasures, your roots, ethnicity, race, earth, community, mining, ores, minerals, the ground, your country, issues with your house (house broken into, burned down, flood, etc), death of family members
Neptune in the 5th house/Leo: pregnancy, children, sex (NSA), pleasure related activities, substance abuse, overindulgence, amusement parks, parks, spas, leisure, fun, a creative process, art, music, drama, theater, very creative dreams (dragons, creatures, etc), flying, falling, meeting people, fame, games, vacation
Neptune in the 6th house/Virgo: day-to-day life, work, being late, plants, pets, service, serving someone, chaos, instability, disorganization, guilt, nervous energy, sickness, family member sick, injuries, health, exercise, swamps, dirty places, being dirty, being chased, falling, going nowhere, medicine, hospitals, bandaids
Neptune in the 7th/Libra: love, romance, marriage, finding the one, soulmates, commitments, business partners, groups, crowds, helping your partner, enabling, being chased, pregnancy, enemies, contracts, analyzing communities or other people, philosophy, gossip
Neptune in the 8th/Scorpio: death, sex, pregnancy, abuse, violence, gore, blood, transformations, bugs, pain, often very metaphorical dreams, substance abuse, murder, suicide, spiritual dreams, money, possession, jealousy
Neptune in the 9th house/Sagittarius: higher education (uni and above), astrology, religion, prophetic dreams, philosophy, trying to find meaning, obscure dreams, space, journeys, travel, bigger purpose, bigger pictures
Neptune in the 10th house/Capricorn: career, ambitions, work, public image, power struggles, control issues, being crushed, goals, reputation, men, parents, fame, experts, professionals, confinement, construction, feeling constricted, asphyxiation, how we want to be (perceived)
Neptune in the 11th house/Aquarius: gossip, communities, friends, humanitarian goals, society, crowds, charity, earned wealth, technology, something not working, society, colleagues, freedom, independence, being lost, change (through death in any form), rebellion, protesting
Neptune in the 12th house/Pisces: abstract dreams, misty, weird dreams, everything you try to hide, secrets, emotional baggage, what you need to face, what you’re neglecting, spiritual sex, the unseen, the unknown, being lost, endings, healing, death, suicide, the afterlife, reincarnation, loss on all aspects, being constrained