Eight Sleep
Unicorn · $1.5BYC S15New York City, US · Founded 2014 · Delaware corporation · 100 employees · Hiring · 34 known investors
Eight Sleep manufactures a smart bed system called the Pod that provides personalized temperature control, elevation adjustment, and integrated sound for sleep optimization. The product is designed for consumers seeking improved sleep quality and recovery.
Also known as Eight · Luna · Eight Sleep
Founders & leadership· Y Combinator alumni (S15)
Eight Sleep was founded in 2014 by Matteo Franceschetti, Massimo Andreasi Bassi, and Alexandra Zatarain.
Board
Investors · 34
Also in the syndicate · 2
Reported raises · per SEC filings
Form D private placements$151.8M disclosed across 4 of 8 rounds · 2016–2026
▶$87.6MraisedJul 2021 · 61 investors · Other TechnologyRule 506(b)
- Massimo Andreasi BassiExecutive Officer, Director
- Antonio GraciasDirector
- Alexandra ZatarainExecutive Officer, Director
- Trae StephensDirector
- Matteo FranceschettiExecutive Officer, Director
- Offering amount
- $87.6M
- Amount sold
- $87.6M
- First sale
- Jun 2021
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$40.8MraisedOct 2019 · 39 investors · Other TechnologyRule 506(b)
- Alexandra ZatarainExecutive Officer, Director
- Massimo Andreasi BassiDirector
- Keith RaboisDirector
- Trae StephensDirector
- Matteo FranceschettiExecutive Officer, Director
- Offering amount
- $40.8M
- Amount sold
- $40.8M
- First sale
- Sep 2019
- Incorporated
- Corporation, Delaware, 2014
- Federal exemptions
- 06b
▶$10.4MraisedDec 2017 · 10 investors · Other TechnologyRule 506(b)
- Massimo Andreasi BassiDirector
- NG YiPinDirector
- Keith RaboisDirector
- Alexandra ZatarainExecutive Officer, Director
- Matteo FranceschettiExecutive Officer, Director
- Offering amount
- $10.4M
- Amount sold
- $10.4M
- First sale
- Nov 2017
- Incorporated
- Corporation, Delaware, 2014
- Federal exemptions
- 06b
▶$12.9MraisedFeb 2017 · 87 investors · Other TechnologyRule 506(b)
- Massimo Andreasi BassiDirector
- Alexandra ZatarainExecutive Officer, Director
- NG YiPinDirector
- Matteo FranceschettiExecutive Officer, Director
- Offering amount
- $13.8M
- Amount sold
- $12.9M
- First sale
- Sep 2016
- Incorporated
- Corporation, Delaware, 2014
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Valuation · disclosed
Disclosed eventsSource: SEC prospectus filings, and round valuations the company or its investors disclosed — follow each entry's link for the claim.
The YC application· Summer 2015 batch
Company profile
researched Aug 2026Eight Sleep is a New York City-based sleep technology company founded in 2014 that designs the Pod, a modular smart bed system built around an intelligent mattress Cover with embedded biometric sensors and a bedside Hub that powers thermal regulation. The Cover cools or heats each side of the bed independently across a range of roughly 55°F to 110°F (12°C to 43°C), while optional components extend the system: a motorized Base that elevates the upper body to mitigate snoring, relieves back pressure and includes a built-in speaker for ambient sound; a hydro-powered Blanket that doubles thermal coverage; and a Pillow Cover that keeps the head and neck cool. A companion app sets temperature preferences, integrates with fitness apps, and delivers nightly health and sleep reports.
The Pod tracks heart rate, heart rate variability, respiration, sleep stages and snoring without a wearable, and an "Autopilot" subscription layer applies automated, learning-based temperature and position adjustments plus ongoing software updates. The company markets outcome claims including up to 44% less time to fall asleep, up to 34% more deep sleep, up to 45% snore reduction, up to 23% fewer nighttime awakenings, and an average 56% reduction in hot flashes. Beyond hardware, Eight Sleep has introduced a sleep supplement (Sleep Elixir) informed by its sleep data, and in 2018 introduced an AI-powered sleep coach.
As of 2026 the company describes an expansion from consumer devices toward predictive, AI-driven health, including a sleep-focused AI agent that proactively manages temperature, elevation and firmness, and a submission seeking U.S. Food and Drug Administration approval for products that detect and mitigate sleep apnea.
Business model
Eight Sleep sells its Pod hardware directly to consumers online, paired with a required subscription (Autopilot) for the first 12 months that enables automated temperature adjustment, vibration/thermal alarms, health and sleep reports and software updates; one plan covers two users per Pod. Optional add-on hardware (Base, Blanket, Pillow Cover) extends the system, and the company also sells a sleep supplement.
Direct-to-consumer hardware sales combined with recurring subscription revenue from the Autopilot plan (for example, an Enhanced tier billed annually in the Mexican storefront), plus add-on accessory and supplement sales.
Traction
The company reported being free-cash-flow positive in 2025 and shipping to more than 34 countries (its site cites free shipping to over 30 countries), with three product launches in 2025 (Pod 5, Pod Pillow Cover, Thermal Blanket). Its Pod product page shows 30,215 reviews at a 4.5-star average, and the company cites more than 600 million hours of sleep data collected from users. Team size is listed at 100.
Latest developments
In March 2026 Eight Sleep announced a $50 million strategic round led by Tether Investments at a $1.5 billion valuation, earmarked for new products, global expansion and clinical validation. The company has sought FDA approval for products that detect and mitigate sleep apnea and is developing a sleep-focused AI agent that proactively controls temperature, elevation and firmness; it says early pilots of AI-driven guidance led users to change habits such as exercise timing, caffeine intake and sleep schedules.
▸Full profile — market position, technology, go-to-market, geography, history, risks & controversies
Market position
Positioned as a sleep fitness and health-sensing brand valued at $1.5 billion as of March 2026, competing with temperature-control bed products such as BedJet and Chilipad and with sleep-tracking wearables from Oura and Whoop. The company has been named to Fast Company's Most Innovative Companies lists (2018 and 2022) and TIME's Best Inventions (2018 and 2019).
The system combines active two-zone thermal control with wearable-free biometric sensing in a cover that fits over an existing mattress, adds elevation-based snore mitigation and integrated sound, and layers an AI subscription that adjusts conditions automatically through the night. Third-party review coverage (The Quantified Scientist) is cited by the company as showing the Pod 5 Ultra outperforming other sleep trackers.
Technology
Biometric sensors embedded in the mattress Cover measure heart rate, HRV, breathing, sleep stages and snoring without a wearable, described by the company as clinical-grade. A bedside Hub delivers active cooling and heating; a hydro-powered Blanket and Pillow Cover extend thermal coverage; the Base provides elevation control and integrated audio. Software applies AI-driven automatic adjustments trained on proprietary sleep data (the company cites over 600 million hours of sleep data from Pod users), and tap-to-control zones on the Cover allow phone-free operation. The company is developing an AI agent that simulates scenarios before bedtime to preconfigure temperature, elevation and firmness.
Go-to-market
Sales run through the company's own e-commerce site with a 30-night risk-free trial, free shipping and returns, and up to a five-year warranty. Marketing leans on customer reviews (about 30,215 reviews averaging 4.5 stars on the Pod product page), a content blog, third-party reviewer coverage, and prominent user endorsements; the company recruits internationally for paid media and engineering roles.
Consumers seeking sleep and recovery optimization, including couples with differing temperature preferences, people who sleep hot, snorers, everyday athletes tracking recovery and HRV, wellness and longevity-focused users, and women managing hot flashes, pregnancy, postpartum and menopause symptoms.
Geography
Headquartered in New York City with products shipped to more than 34 countries; the storefront is localized for Mexico with local-currency pricing and mattress sizes, and job listings span the US, UK, Italy, Mexico, Brazil, Turkey, Argentina, Chile and the Netherlands.
History
Founded in New York City in 2014 and part of Y Combinator's Summer 2015 batch, Eight Sleep launched a sensor-equipped smart mattress system and added an AI-powered sleep coach in 2018. It raised an $86 million Series C in August 2021 at an approximately $500 million valuation, followed by a $100 million round in August 2025 at a $1 billion valuation and a $50 million strategic round led by Tether Investments in March 2026 at a $1.5 billion valuation. Product generations include Pod 4 (2024, introducing a redesigned Cover and Hub and tap-to-control) and Pod 5 (2025, adding a speaker-equipped Base, hydro-powered Blanket and Pillow Cover).
Risks & controversies
In October 2025 an AWS outage prevented Eight Sleep devices from reaching the company's servers, leaving users' mattress accessories inoperable and beds overheating; the company subsequently added an "outage mode" for such situations. Its Autopilot subscription is mandatory for the first 12 months of ownership. Planned expansion into medical claims around sleep apnea depends on FDA approval that had not been granted as of the reporting.
Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Competitors · 1
by search overlap
Companies competing with Eight Sleep for the same Google search keywords, organic and paid, via search-intersection analysis.
Timeline · 12
launches, deals, and filingsEight Sleep announced a $50 million strategic investment led by Tether Investments at a $1.5 billion valuation, to be used for new products, global expansion and clinical validation.
$50M source ↗
Eight Sleep said it has sought U.S. Food and Drug Administration approval for products that can detect and mitigate sleep apnea as part of moving beyond consumer products.
The company's storefront is localized for Mexico with local pricing and mattress sizes, part of shipping to more than 34 countries.
An AWS outage prevented Eight Sleep devices from connecting to company servers, causing beds to overheat; Eight Sleep subsequently added an "outage mode" for similar situations.
The company closed a $100 million round in August 2025 from investors including HSG, Valor Equity Partners, Founders Fund and Y Combinator, at a reported $1 billion valuation.
$100M source ↗
Company blog posts detailed Pod 5 upgrades including reengineered tap-to-control buttons for phone-free operation, a Base with an integrated speaker, and a hydro-powered Blanket doubling thermal coverage.
A four-ingredient sleep formula informed by over 600 million hours of Pod user sleep data.
Three product launches in 2025: the Pod 5 system, a temperature-controlled Pillow Cover, and a hydro-powered thermal Blanket; the Pod 5 Base adds a built-in speaker for immersive sound.
Pod 4 introduced a redesigned Cover with new sensing technology, a rebuilt Hub thermal engine, and Tap to Control tap zones for phone-free adjustment.
Recognized by Fast Company as one of its Most Innovative Companies in 2018 and 2022; also recognized in TIME's Best Inventions of 2018 and 2019.
Series C of $86 million at an approximately $500 million post-money valuation.
$86M source ↗
Added an AI-powered sleep coach providing personalized insights such as sleep duration comparisons and recommendations to improve REM cycles.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
Legal entities · 1
corporate structureIn the news
▸Research sources · 8
primary sources listed
- Eight Sleepeightsleep.com · web
8 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Eight Sleep do?
- Eight Sleep makes the Pod, a sensor-equipped mattress cover system that cools, heats and tracks sleep on each side of the bed.
- Who founded Eight Sleep?
- Eight Sleep was founded by Matteo Franceschetti, Massimo Andreasi Bassi, Alexandra Zatarain in 2014.
- Who are Eight Sleep's investors?
- Eight Sleep's investors include Altra Venture, Anti, Azure Capital Partners, Blue Scorpion Investments, Comcast Ventures, Cota Capital, Craft Ventures, Ethos VC and 24 more.
- How much funding has Eight Sleep raised?
- Eight Sleep has disclosed $151.8M raised across 4 of its 8 known rounds.
- Where is Eight Sleep headquartered?
- Eight Sleep is headquartered in New York City, US.