United States · Funded startup
2 rounds we have observed, with the 3 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.
Raised this month
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Funding summaryUpdated 15 Nov 2026
$11Mraised across 2 rounds since 2025, from 3 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Treasure Coast VenturesLead
HBS Alumni Angels of Greater New YorkReported by Pulse 2.0 and 1 other
No investor was named in the report.
Source recorded
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
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Sleep.ai's investors include Treasure Coast Ventures, Harvard Business School Alumni Angels of Greater New York and HBS Alumni Angels of Greater New York. Treasure Coast Ventures led its latest round.
Sleep.ai has raised $11M across 2 rounds since 2025.
Sleep.ai's most recent round was an Undisclosed round of $5.3M in Nov 2026, led by Treasure Coast Ventures.
Sleep.ai's largest round on record is $5.5M (Venture), in Aug 2025.
Sleep.ai's first round on record, in Nov 2026, was backed by Treasure Coast Ventures, Harvard Business School Alumni Angels of Greater New York and HBS Alumni Angels of Greater New York.
Sleep.ai's latest named round is an Undisclosed round, in Nov 2026.
Sleep.ai is based in the United States.
Treasure Coast Ventures led the Undisclosed round in 2026.
In the same sector, and raised in the last eighteen months.
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United States · 
