Can I get the same sleep benefits from a cheap diffuser with lavender oil as I would from an expensive aromatherapy system
Fan-out diagram
Seed → topic clusters → sub-queries, per model.
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
Classes come from the query-classifier (a local Laya model). 1 of 1 calls are low-confidence (under 50%) — hover a query in the table to see its confidence. 36 queries are still being classified.
What the models actually searched
Each model answered the query with its own web search. These are the searches it ran, matched to the closest simulated query.
Semantic map
Every query placed by meaning (EmbeddingGemma 2, 256-d). Shaded regions are topics, nearby points are near-paraphrases, and a circle's size is how often the query came back.
Queries
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
cheap diffuser vs expensive aromatherapy system sleep quality COMPARATIVE | Google ↗ AI Mode ↗ | Understand if price and build quality of an aromatherapy device impact its ability to improve sleep. | — | comparison_table | cheap diffuser versus expensive system | 1x of 3 | |
cheap diffuser vs expensive aromatherapy system sleep COMPARATIVE | Google ↗ AI Mode ↗ | Understand the functional and sleep quality differences between low-cost and high-end diffusers. | — | comparison_table | cheap diffuser versus expensive system | 1x of 3 | |
cheap essential oil diffuser vs expensive aromatherapy machine sleep quality COMPARATIVE | Google ↗ AI Mode ↗ | Understand if the price difference between diffusers impacts the health benefits for sleep. | — | comparison_table | cheap diffuser versus expensive system | 1x of 3 | |
does lavender oil from a cheap diffuser help sleep REFORMULATION | Google ↗ AI Mode ↗ | Determine if budget ultrasonic diffusers successfully disperse enough lavender oil to aid sleep. | — | web_article | scientific evidence for lavender sleep… | 1x of 3 | |
do cheap diffusers work as well as high end ones REFORMULATION | Google ↗ AI Mode ↗ | Find out if price affects the performance and durability of essential oil diffusers. | — | review_roundup | reliability of cheap essential oil diff… | 1x of 3 | |
does lavender oil actually help you sleep IMPLICIT | Google ↗ AI Mode ↗ | Verify the scientific evidence behind lavender oil as a sleep aid. | — | web_article | scientific evidence for lavender sleep… | 1x of 3 | |
are expensive aromatherapy diffusers worth it for sleep RELATED | Google ↗ AI Mode ↗ | Find opinions and data on whether high-end aromatherapy systems offer superior sleep benefits over basic models. | — | review_roundup | value of expensive aromatherapy systems | 1x of 3 | |
does lavender oil actually help you sleep scientifically IMPLICIT | Google ↗ AI Mode ↗ | Find clinical evidence or studies regarding lavender oil and sleep improvement. | — | web_article | scientific evidence for lavender sleep… | 1x of 3 | |
how do ultrasonic diffusers work compared to nebulizing diffusers RELATED | Google ↗ AI Mode ↗ | Learn the mechanical differences between budget and premium diffuser types. | — | glossary/definition | ultrasonic versus nebulizing diffuser c… | 1x of 3 | |
how do ultrasonic diffusers work compared to nebulizing diffusers for sleep ENTITY EXPANSION | Google ↗ AI Mode ↗ | Learn the mechanical differences between cheap (ultrasonic) and expensive (nebulizing) diffusers regarding therapeutic output. | — | buyers_guide | ultrasonic versus nebulizing diffuser c… | 1x of 3 | |
ultrasonic vs nebulizing diffuser sleep quality ENTITY EXPANSION | Google ↗ AI Mode ↗ | Compare specific diffuser technologies like ultrasonic and nebulizing to see which aids sleep better. | — | buyers_guide | ultrasonic versus nebulizing diffuser c… | 1x of 3 | |
budget essential oil diffuser review roundup REFORMULATION | Google ↗ AI Mode ↗ | Find reliable, low-cost diffusers that actually perform well. | — | review_roundup | reliability of cheap essential oil diff… | 1x of 3 | |
lavender oil clinical studies sleep insomnia IMPLICIT | Google ↗ AI Mode ↗ | Find scientific evidence backing the claim that lavender aromatherapy actually improves sleep. | — | pdf_whitepaper | scientific evidence for lavender sleep… | 1x of 3 | |
best essential oils for insomnia and better sleep RELATED | Google ↗ AI Mode ↗ | Discover alternative or supplementary essential oils that promote relaxation and sleep. | — | faq_page | best budget oils and diffusers | 1x of 3 | |
best essential oil brands for sleep insomnia ENTITY EXPANSION | Google ↗ AI Mode ↗ | Identify specific high-quality oil brands or formulations that aid sleep beyond basic lavender. | — | buyers_guide | best budget oils and diffusers | 1x of 3 | |
best essential oil diffuser for better sleep on a budget PERSONALIZED | Google ↗ AI Mode ↗ | Find specific budget-friendly diffuser recommendations optimized for improving sleep hygiene. | — | product_spec_sheet | best budget oils and diffusers | 1x of 3 | |
how to use a cheap diffuser for better sleep routine PERSONALIZED | Google ↗ AI Mode ↗ | Learn practical tips on optimizing a budget diffuser setup for bedtime relaxation. | — | how_to_steps | best budget oils and diffusers | 1x of 3 | |
is expensive aromatherapy worth it for sleep REFORMULATION | Google ↗ AI Mode ↗ | Determine the cost-benefit ratio of high-end aromatherapy systems. | — | faq_page | value of expensive aromatherapy systems | 1x of 3 | |
do cheap essential oil diffusers break easily RELATED | Google ↗ AI Mode ↗ | Assess the durability and reliability trade-offs of purchasing a low-cost diffuser. | — | forum/qna | reliability of cheap essential oil diff… | 1x of 3 | |
do you need expensive essential oil diffusers for aromatherapy REFORMULATION | Google ↗ AI Mode ↗ | Determine if luxury aromatherapy systems offer health advantages over basic models. | — | forum/qna | value of expensive aromatherapy systems | 1x of 3 | |
natural ways to improve sleep without buying expensive gear PERSONALIZED | Google ↗ AI Mode ↗ | Find alternative, low-cost sleep hygiene practices that incorporate aromatherapy. | — | checklist | scientific evidence for lavender sleep… | 1x of 3 | |
nebulizing diffuser vs ultrasonic diffuser therapeutic benefits COMPARATIVE | Google ↗ AI Mode ↗ | Compare the concentration of essential oil released by nebulizers versus standard diffusers. | — | glossary/definition | ultrasonic versus nebulizing diffuser c… | 1x of 3 | |
cheap ultrasonic diffuser review ENTITY EXPANSION | Google ↗ AI Mode ↗ | Look at reviews of low-cost ultrasonic diffusers to gauge their reliability and effectiveness. | — | review_roundup | reliability of cheap essential oil diff… | 1x of 3 | |
do cheap plastic diffusers release harmful chemicals RELATED | Google ↗ AI Mode ↗ | Ensure that using a budget-friendly diffuser is safe for long-term nighttime use. | — | web_article | reliability of cheap essential oil diff… | 1x of 3 | |
can you use any lavender oil in an ultrasonic diffuser REFORMULATION | Google ↗ AI Mode ↗ | Check if oil quality matters more than the device quality when attempting to induce sleep. | — | faq_page | reliability of cheap essential oil diff… | 1x of 3 | |
aromatherapy diffuser price differences explained RELATED | Google ↗ AI Mode ↗ | Understand what features drive up the cost of expensive aromatherapy systems. | — | glossary/definition | cheap diffuser versus expensive system | 1x of 3 | |
how to use lavender oil for sleep without a diffuser RELATED | Google ↗ AI Mode ↗ | Discover alternative methods of applying lavender oil if a diffuser is not strictly necessary. | — | how_to_steps | scientific evidence for lavender sleep… | 1x of 3 | |
how to get better sleep using aromatherapy at home IMPLICIT | Google ↗ AI Mode ↗ | Discover best practices and routines for using aromatherapy effectively for insomnia. | — | how_to_steps | best budget oils and diffusers | 1x of 3 | |
lavender oil diffusion particle size sleep impact IMPLICIT | Google ↗ AI Mode ↗ | Learn how nebulizers versus standard diffusers disperse oil molecules into the air. | — | product_spec_sheet | scientific evidence for lavender sleep… | 1x of 3 | |
ultrasonic diffuser output particle size comparison ENTITY EXPANSION | Google ↗ AI Mode ↗ | Examine technical specifications that explain why expensive diffusers might diffuse oils better. | — | product_spec_sheet | ultrasonic versus nebulizing diffuser c… | 1x of 3 | |
do expensive aromatherapy systems have better sleep tracking features ENTITY EXPANSION | Google ↗ AI Mode ↗ | Investigate what advanced features high-end aromatherapy systems include beyond basic scent diffusion. | — | interactive_widget | value of expensive aromatherapy systems | 1x of 3 | |
can passive diffusers like reed diffusers help sleep ENTITY EXPANSION | Google ↗ AI Mode ↗ | Explore non-electric or ultra-cheap alternatives for nighttime aromatherapy. | — | web_article | scientific evidence for lavender sleep… | 1x of 3 | |
aromatherapy diffuser buyer guide 2026 REFORMULATION | Google ↗ AI Mode ↗ | Browse general purchasing advice for diffusers across all price points. | — | buyers_guide | best budget oils and diffusers | 1x of 3 | |
aromatherapy diffuser safety precautions bedroom overnight use RELATED | Google ↗ AI Mode ↗ | Ensure it is safe to run a diffuser continuously through the night while sleeping. | — | checklist | best budget oils and diffusers | 1x of 3 | |
are expensive diffusers worth it for sleep REFORMULATION | Google ↗ AI Mode ↗ | Evaluate the cost-benefit proposition of luxury aromatherapy devices for improving sleep. | — | faq_page | value of expensive aromatherapy systems | 1x of 3 | |
essential oil diffuser reddit recommendations for sleep RELATED | Google ↗ AI Mode ↗ | Read real user testimonials about cheap versus expensive sleep diffusers. | — | forum/qna | best budget oils and diffusers | 1x of 3 |
Passes
Does another pass still surface new queries? A flattening curve means the fan-out has stabilised.
| Model | Pass | Target | Generated | Seconds | Tokens (in / out) | Notes |
|---|---|---|---|---|---|---|
| gemini-3.5-flash-lite | 1 | 12 | 12 | — | 919 / 1,492 | |
| gemini-3.5-flash-lite | 2 | 12 | 12 | — | 919 / 1,428 | |
| gemini-3.5-flash-lite | 3 | 12 | 12 | — | 919 / 1,451 |