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Lully

DefunctYC W15

San Francisco, US · 5 employees · 10 known investors

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Lully develops an under-mattress device that uses timed vibrations to prevent night terrors in children. The company applies clinical sleep science and user research to create products addressing sleep problems in pediatric populations.

Also known as Caydian Inc

HealthtechWellness & FitnessSleep TechHealth TechUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (W15)

VBVarun Boriah
Varun BoriahCEO and Co-Founder2014–2018Varun Boriah previously served as Senior Vice President of Platform Solutions at Truepill overseeing pharmacy, telehealth, and diagnostics offerings, and as Vice President of Business Operations & Expansion at Alto Pharmacy. He co-founded and led Lully, a Y Combinator-backed company, before moving to his current role in sales at Luminai focused on healthcare process automation.
ARAndy Rink
Andy RinkChief Marketing Officer and Co-Founder2014–2017Andy Rink is a surgeon and healthcare innovator who co-founded Lully, a YC-backed sleep health startup, and previously led Truepill's telehealth operations. He holds an MD from Indiana University and a BE from Vanderbilt, with clinical training through Northwestern and Stanford Biodesign programs.

Investors · 10

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us

8capitareported

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Agrolimen Venturesreported

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AstiareportedSilicon Valley

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GFO CompaniesreportedLos Angeles

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Lucid Fogreported

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Prospect Venture PartnersreportedMenlo Park · $3M – $5M

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Tandem CapitalreportedMenlo Park · $500K

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Two Sigma VenturesreportedNew York · $2M – $15M

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Funding

SEC filings, press & company announcements
  • Undisclosed amountseed roundJun 2015 · 2 sources
    Source ↗

Source: company announcements and press reports — follow each round's link for the claim.

Founder mafia

2 people who came through Lully went on to found or lead other companies.

Andy RinkCMOFounded Playground PediatricsJay DhuldhoyaEngineering InternFounded Auricle

Related companies · 4

Sleep ResetSleep Reset is a digital sleep clinic offering online treatment for insomnia and obstructive sleep apnea through cognitive behavioral therapy, at-home sleep testing, and clinician-guided care. The platform serves individuals struggling with chronic sleep issues and provides alternatives to traditional sleep labs and sleep medication.
Chorus SleepSleep Reset is a digital sleep clinic offering telehealth-based treatment for insomnia and obstructive sleep apnea using cognitive behavioral therapy and at-home diagnostics. The platform connects patients with licensed sleep clinicians and coaches for personalized, medication-free treatment accessible from home.
TinglesA mobile app offering guided relaxation and sleep videos created by ASMR artists and sleep professionals, with daily new content releases.
HypnosHypnos uses AI to analyze sleep patterns alongside user-reported habits and mood to identify factors affecting sleep quality and recommend improvements.

Companies working in the same space as Lully.

Legal entities · 1

corporate structure
Caydian Inc

In the news

Lully (YC W15) Lands $2.1M in Seed Funding to Prevent Night Terrorstechcrunch.com · Jun 2015YC-Backed Lully Lands $2.1M In Seed Funding To Prevent Night Terrors | TechCrunchtechcrunch.com · Jun 2015

Frequently asked questions

What does Lully do?
Lully develops an under-mattress device that uses timed vibrations to prevent night terrors in children. The company applies clinical sleep science and user research to create products addressing sleep problems in pediatric populations.
Who founded Lully?
Lully was founded by Varun Boriah, Andy Rink.
Who are Lully's investors?
Lully's investors include StartX, Y Combinator, 8capita, Agrolimen Ventures, Astia, GFO Companies, Lucid Fog, Prospect Venture Partners and 2 more.
Where is Lully headquartered?
Lully is headquartered in San Francisco, US.