Eight Sleep

Eight Sleep develops connected sleep systems that combine temperature regulation, biometric monitoring, and adjustable bed features.

Health and bio Robotics and hardware Data and analyticsY CombinatorPlug and Play

Latest funding

$50M · March 4, 2026

Source: fundraisingfox.com

Total raised: $276M across 4 sourced rounds

All 6 rounds ↓

Website: eightsleep.com.

X: @eightsleep · 64,532 followers.

LinkedIn: linkedin.com.

Categories: Health and bio Robotics and hardware Data and analytics.

Sectors: Consumer, Home and Personal, Hardware, Health Tech.

Stage: Series B+.

Based in: New York City, United States.

Founded: 2014.

Total raised: $276M in 4 sourced rounds.

Last round: Mar 4, 2026 · 253 days ago.

Team: 100 people on the team page.

On Recent Funding since: Sep 28, 2026.

Signals

X account@eightsleep · created Apr 7, 2014 (12 years old) · 64,532 followers

Website registeredJul 29, 2015 (11 years old)

TIMELINE · MONEY RAISED

Eight Sleep | 2039 days from X account to first raise on record

@eightsleep·Raised $276M in 4 sourced rounds·2 signals before the first raise

Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.

Funding rounds

March 4, 2026
Round · $50M
Source: fundraisingfox.com
August 22, 2025
Series B+ · $100M
HHSG (lead), AAtreides Management, CCharles Leclerc, FFounders Fund, KKevin Hart, SSoftBank, VValor Equity Partners, YY Combinator, ZZakary Brown
Source: pulse2.com
August 30, 2021
Series B+ · $86M
VValor Equity Partners (lead), KKarman Ventures, KKevin Hart, KKhosla Ventures, KKris Bryant, KKyle Vogt, NNaval Ravikant, Nnorthstar.vc, SSoftBank, SSophia Amoruso
Source: bizjournals.com
November 6, 2019
Series B+ · $40M
FFounders Fund (lead), JJason Calacanis, KKevin Hartz, KKhosla Ventures, NNight Owl Ventures, OOpen Opportunity Fund, RRyan Petersen, SSahin Boydas, SSand Hill Angels, TThe Syndicate.com, YY Combinator
Source: pehub.com
July 29, 2015
Website created
Summer 2015
YY Combinator · batch
Source: ycombinator.com
April 7, 2014
X account created
Date unknown
PPlug and Play · accelerator or program
Source: public.dxp.playbook.vc

Founders and team

MF
Matteo Franceschetti Co-Founder & CEO

@m_franceschetti · LinkedIn · source: foundertrace.com
MA
Massimo Andreasi Bassi Co-Founder and CTO

@maghis · LinkedIn · source: foundertrace.com
AZ
Alexandra Zatarain Co-Founder, VP of Brand & Marketing

@a_zatarain · LinkedIn · source: foundertrace.com
AB
Andrea Ballarini Founder

@andreaballarini · LinkedIn
DH
David He VP R&D
JA
Joe Aranda VP of Operations

Acquisitions

Acquired company	Price	Announced
SSpan	Not disclosed publicly	Date not given

Investors

Companies like Eight Sleep

OOuraSeries B+ · Jul 2026
DDay$20M Series A · Feb 2026
WWHOOP$575M Series B+ · Jun 2026
VVeriffSeries B+ · May 2025
KKimba$6.5M Seed · Jun 2026
OOrion$17.5M Seed · Nov 2025

Other companies backed by HSG

MMaxInsights$30M Seed · Oct 2026
OOPay$185M Series B+ · Oct 2026
MManus AI$500M · Oct 2026
TTabby$233M Series B+ · Sep 2026
MMeshy$400M Series B+ · Jul 2026
AAridge$200M · Mar 2026

HSG portfolio →

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/eight-sleep (get a free API key).