How to Enjoy Somnifa
Discover futures that don't exist yet, or post your own ideas. A guide to enjoying the world of Somnifa.
Find your 'wouldn't it be great if...'
Somnifa's market is full of imaginary future product ideas. Browse around and discover someone else's 'wouldn't it be great if...' that catches your eye.
React to ideas you love
Send a Want or purchase with Nifa for ideas you find exciting or interesting. Your reaction supports the creator and hints at what kinds of ideas resonate with people.
気分や感情に合わせて、自動で音楽を切り替えるイヤホン。
Wantすると Nifaコインを獲得！
Explore ideas through topics
Answer a topic prompt with a product idea, or post your own topic to collect ideas from others. Even when starting from scratch feels hard, a topic can spark a brand-new 'wouldn't it be great if...'.
集まった回答 3件
Turn a spark into a product idea
Post any 'wouldn't it be great if...' with a product name, tagline, price, and image. It's like building a real product page — just for an idea that doesn't exist yet.
Sharpen your ideas through feedback
Wants and purchase counts roll in on ideas you post. Watch how people react and use that to refine your creative thinking — it's a fun way to develop real product instincts.
感情で音楽が変わるイヤホン
411
32
今週の反応（Want）
Aim for the monthly ranking
Ideas with the most Wants and purchases appear in the monthly ranking. See how much others crave your ideas, and aim to become the Idea Master.
今月のランキング
2026年6月
感情で音楽が変わるイヤホン
空気で色が変わる照明
AIスタイリングクローゼット
あなたの今月の順位
ランク #12
1,250
獲得Nifa
What is Nifa?
Nifa is a fictional coin used only inside Somnifa. You can use it to purchase imaginary future product ideas, and earn it through posting and Wanting. It's not real money — but it's a uniquely Somnifa way to make your ideas and reactions feel tangible.
'Buying' and 'collecting' are all imaginary here. That's what makes it easy to enjoy future products freely.
Buy imaginary products
Use Nifa to purchase any idea that catches your eye. Purchased ideas are saved to your personal collection.
Earn through activity
Posting ideas, creating topics, and being Wanted all earn you Nifa. Your activity builds up as a score within Somnifa.
See how your ideas land
Nifa, Want counts, and purchase numbers show you which ideas people find most compelling — in a fun, low-stakes way.
※ Nifa is a fictional coin within Somnifa. It cannot be used as real money or converted to cash.
Somnifa is a fully virtual service
All ideas posted and purchased on Somnifa are concepts — not real products or services. Nifa coins are virtual currency usable only within Somnifa and cannot be exchanged for real money. Somnifa is a community for freely sharing and enjoying ideas about the future.
Frequently Asked Questions
Share your ideas
with the world.
Post your ideas and help build a collection of futures that don't exist yet.