# Eight Sleep funding: rounds and investors > Eight Sleep has raised $190M across 3 rounds since 2019. Investors include Founders Fund, Y Combinator and Khosla Ventures. Every round with its source. Source: https://millionrounds.com/company/eight-sleep (Millionrounds; every figure on the page links to its filing or article) United States · [Series C startup](https://millionrounds.com/companies) # Who invested in *Eight Sleep* 3 rounds we have observed, with the 16 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it. AI Biotech Fitness Healthcare Raised 8 months ago Y Combinator: S15 Follow Eight Sleep and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Feight-sleep) Funding summary Updated 5 Nov 2026 **$190M** raised across 3 rounds since 2019, from 11 sources **$40M** Round **$100M** Round **$50M** Series C - **Latest round:** Series C, $50M Mar 2026 - **Led by:** Tether - **Biggest round:** $100M Round · Aug 2025 - **Investors:** 16 (3 led) See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2020 2021 2022 2023 2024 2025 2026 **$40M** Round **$100M** Round **$50M** Series C - **First round:** Round, $40M - **Biggest round:** $100M - **Usual gap between rounds:** 5.8 years ## The rounds - **Mar 2026** Series C **$50M** *3 new* *6 returning* [Tether](https://millionrounds.com/fund/tether) Lead [Y Combinator](https://millionrounds.com/fund/y-combinator) [General Catalyst](https://millionrounds.com/fund/general-catalyst) [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [Founders Fund](https://millionrounds.com/fund/founders-fund) [Gaingels](https://millionrounds.com/fund/gaingels) [HSG](https://millionrounds.com/fund/hsg) [Craft Ventures](https://millionrounds.com/fund/craft-ventures) [Valor Equity Partners](https://millionrounds.com/fund/valor-equity-partners) Reported by Crunchbase News and 6 others - **Aug 2025** Round **$100M** *6 new* *3 returning* [HSG](https://millionrounds.com/fund/hsg) Lead [Y Combinator](https://millionrounds.com/fund/y-combinator) [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [Founders Fund](https://millionrounds.com/fund/founders-fund) [Valor Equity Partners](https://millionrounds.com/fund/valor-equity-partners) [SoftBank BB Corp](https://millionrounds.com/fund/softbank) [Kevin Hart](https://millionrounds.com/fund/kevin-hart) [Charles Leclerc](https://millionrounds.com/fund/charles-leclerc) [Zak Brown](https://millionrounds.com/fund/zak-brown) Reported by Crunchbase News and 2 others - **Nov 2019** Round **$40M** *7 new* [Founders Fund](https://millionrounds.com/fund/founders-fund) Lead [Y Combinator](https://millionrounds.com/fund/y-combinator) [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [8VC](https://millionrounds.com/fund/8vc) [Craft Ventures](https://millionrounds.com/fund/craft-ventures) [Kevin Hartz](https://millionrounds.com/fund/a-star-co) Ryan Petersen Reported by FinSMEs SEC filing: $41M sold, first sale Sept 2019 ## Funding filed with regulators Eight Sleep filed 4 raises, $152M in all. Filings say how much was sold and to how many investors; they never name the investors. - Jun 2021 **$88M** 61 investors equity SEC Form D - Sept 2019 **$41M** 39 investors equity SEC Form D - Nov 2017 **$10M** 10 investors equity, other SEC Form D - Sept 2016 **$13M** 87 investors equity of $14M offered SEC Form D ## Founders and team From the SEC filings it signed: 3 on the team. - **Alexandra Andreasi Zatarain** Executive Officer, Director i - **Massimo Andreasi Bassi** Executive Officer, Director i - **Matteo Franceschetti** Executive Officer, Director i On the board, as filed i *Antonio Andreasi Gracias* *Trae Andreasi Stephens* ## Who was in which round The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led. **Round** 2019 **Round** 2025 **Series C** 2026 [Founders Fund](https://millionrounds.com/fund/founders-fund) L [Y Combinator](https://millionrounds.com/fund/y-combinator) [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [HSG](https://millionrounds.com/fund/hsg) L [Craft Ventures](https://millionrounds.com/fund/craft-ventures) [Valor Equity Partners](https://millionrounds.com/fund/valor-equity-partners) [Tether](https://millionrounds.com/fund/tether) L [General Catalyst](https://millionrounds.com/fund/general-catalyst) [Gaingels](https://millionrounds.com/fund/gaingels) [8VC](https://millionrounds.com/fund/8vc) ## Everyone who backed them [Founders Fund](https://millionrounds.com/fund/founders-fund) VC firm **3** rounds, led 1 [Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **3** rounds [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) VC firm **3** rounds [HSG](https://millionrounds.com/fund/hsg) VC firm **2** rounds, led 1 [Craft Ventures](https://millionrounds.com/fund/craft-ventures) VC firm **2** rounds [Valor Equity Partners](https://millionrounds.com/fund/valor-equity-partners) VC firm **2** rounds [Tether](https://millionrounds.com/fund/tether) Investment firm **1** round, led 1 [General Catalyst](https://millionrounds.com/fund/general-catalyst) VC firm **1** round [Gaingels](https://millionrounds.com/fund/gaingels) Private equity **1** round [8VC](https://millionrounds.com/fund/8vc) VC firm **1** round [SoftBank BB Corp](https://millionrounds.com/fund/softbank) Corporate VC **1** round [Kevin Hartz](https://millionrounds.com/fund/a-star-co) VC firm **1** round [Kevin Hart](https://millionrounds.com/fund/kevin-hart) Angel **1** round [Charles Leclerc](https://millionrounds.com/fund/charles-leclerc) Investment firm **1** round [Zak Brown](https://millionrounds.com/fund/zak-brown) Angel **1** round Ryan Petersen no record of our own yet **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=eight-sleep). ## Also claim to have backed them These 21 firms list Eight Sleep as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above. [Comcast Ventures](https://millionrounds.com/fund/comcast-ventures) Corporate VC Per its own site [Shrug Capital](https://millionrounds.com/fund/shrug-capital) VC firm Per its own site [SGH CAPITAL](https://millionrounds.com/fund/sgh-capital) VC firm Per its own site [Positive Sum](https://millionrounds.com/fund/positive-sum) Private equity Per its own site [Ruvento](https://millionrounds.com/fund/ruvento) VC firm Per its own site [Jesse Robbins](https://millionrounds.com/fund/jesse-robbins) VC firm Per its own site [ANTI FUND](https://millionrounds.com/fund/anti-fund) VC firm Per its own site [REDO Ventures](https://millionrounds.com/fund/redo-ventures) VC firm Per its own site [TIA Ventures](https://millionrounds.com/fund/tia-ventures) VC firm Per its own site [Todd & Rahul's Angel Fund](https://millionrounds.com/fund/todd-and-rahul-s-angel-fund) VC firm Per its own site [Vibe VC](https://millionrounds.com/fund/vibe-vc) VC firm Per its own site [Clara Vista Investment Partners](https://millionrounds.com/fund/clara-vista-investment-partners) Private equity Per its own site [Ethos VC](https://millionrounds.com/fund/ethos-vc) VC firm Per its own site [Groundswell Ventures](https://millionrounds.com/fund/groundswell-ventures) VC firm Per its own site [Maywic Select Investments](https://millionrounds.com/fund/maywic-select-investments) VC firm Per its own site [Night Owl Ventures](https://millionrounds.com/fund/night-owl-ventures) VC firm Per its own site [Noveus Capital](https://millionrounds.com/fund/noveus-capital) VC firm Per its own site [Octant Ventures](https://millionrounds.com/fund/octant-ventures) VC firm Per its own site [Open Opportunity Fund](https://millionrounds.com/fund/open-opportunity-fund) VC firm Per its own site [Polaris Capital](https://millionrounds.com/fund/polaris-capital) Private equity Per its own site [Upslope Ventures](https://millionrounds.com/fund/upslope-ventures) VC firm Per its own site ## Quick answers about Eight Sleep ### Who invested in Eight Sleep? Eight Sleep's investors include Founders Fund, Y Combinator, Khosla Ventures, HSG and Craft Ventures, and 11 more on record. Tether led its latest round. ### How much has Eight Sleep raised? Eight Sleep has raised $190M across 3 rounds since 2019. ### When did Eight Sleep last raise? Eight Sleep's most recent round was a Series C of $50M in Mar 2026, led by Tether. ### What was Eight Sleep's biggest round? Eight Sleep's largest round on record is $100M (Undisclosed round), in Aug 2025, led by HSG. ### Who backed Eight Sleep first? Eight Sleep's first round on record, in Nov 2019, was backed by Founders Fund, Y Combinator and Khosla Ventures and 4 others. ### What stage is Eight Sleep at? Eight Sleep's latest named round is a Series C, in Mar 2026. ### Where is Eight Sleep based? Eight Sleep is based in the United States. ### Who led Eight Sleep's rounds? Founders Fund led the Undisclosed round in 2019; HSG led the Undisclosed round in 2025; Tether led the Series C in 2026. ## Companies like Eight Sleep In the same sector, and raised in the last eighteen months. [**Laza Medical** $160M · Nov 2026](https://millionrounds.com/company/laza-medical)[**Journify** $12M · Nov 2026](https://millionrounds.com/company/journify)[**Nooks** $543M · Nov 2026](https://millionrounds.com/company/nooks)[**Guava** $13M · Nov 2026](https://millionrounds.com/company/guava)[**Applied Compute** $580M · Nov 2026](https://millionrounds.com/company/applied-compute)[**Agrani Labs** $123M · Nov 2026](https://millionrounds.com/company/agrani-labs) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app