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SleepOS by Eight Sleep

SleepOS by Eight Sleep

SleepOS is a comprehensive sleep optimization platform that leverages smart temperature control and health analytics to improve sleep quality

Health·by Eight Sleep Inc.·Launched Apr 2026·0 upvotes·eightsleep.com
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ALIVEverified Jul 16, 2026 · HTTP 200
CohortClass of 2026

What it is

SleepOS is a comprehensive sleep optimization platform that leverages smart temperature control and health analytics to improve sleep quality. It provides actionable insights through Health Insights and Weekly Reports, accessible via an intuitive home screen interface. The platform includes Smart Temp Autopilot for automated temperature adjustments during sleep cycles.

HTTP liveness

22 probes since May 23
May 23Jul 16
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)

Observed events

probes · press · GitHub
  1. May 23, 2026
    First probe — live
    Alive · 200 OK

Funding history

7 rounds
Total raised
$319.0M
Latest valuation
Stage
growth
Lead investors: Valor Equity Partners · Valor Equity Partners · Valor Equity Partners · Valor Equity Partners · Valor Equity Partners
Series D
Aug 2025
HSG, Valor Equity Partners, Founders Fund, Y Combinator
$100.0M
source
Private
Mar 2023
Tether Investments
Valuation: $1.5B
$50.0M
source
Series C
Jul 2021
investors undisclosed
$87.6M
SEC
Series B
Oct 2019
investors undisclosed
$40.8M
SEC
Series B
2018
Valor Equity Partners
$14.0M
source
Series A
Feb 2017
investors undisclosed
$13.8M
SEC
Seed
Oct 2016
investors undisclosed
$12.8M
SEC
Data from SEC EDGAR Form D filings and press coverage. Round labels for SEC filings are inferred from filing sequence and amount.

Moat

Data moat
strong

Eight Sleep's SleepOS provides comprehensive data monitoring and insights into sleep patterns, enabling users to optimize recovery and improve sleep quality. Its dual-zone technology and patented features further enhance user experience and appeal to a wide range of customers.

  • webContinuous monitoring of heart rate, HRV, and temperature gives you actionable insights to optimize recovery, focus, and longevity. source
  • webPatented technologies enhance the user experience by providing unique features such as automatic temperature regulation and snoring mitigation. source
  • webDual-zone technology keeps each partner at their ideal temperature, enhancing sleep quality and comfort. source
  • webReviews from diverse users, including racers and medical professionals, highlight improvements in sleep quality, confirming the effectiveness of the SleepOS system. source
strong · 0.80 confidence · grounded in 4 sources
Website-grounded · May 2026

Discussion 0 comments

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Pulse Indexobserved activity
22 probes0 pressGitHub –Tranco –

Not enough observed signals for a Pulse Index (needs 2+ signal families).

Founders
Matteo Franceschetti
Alexandra Zatarain
Cohort survival · Class of 2026weekly

567 products launched in 2026 · 100% still active

567 active0 sunset
Still active
100%
Median lifespan
4.9y