Post-mortem. Hello (Sense) was acquired in June 2017. The account below was written after the end, with the outcome known. Separately, a blind test with the evidence cut off at December 2015, before the end, returned: not called safe. How the blind test works.

Hello (Sense)

Defunct maker of the Sense bedside sleep tracker, shut down 2017

Blind testEvidence cut off December 2015 · Ended June 2017 · Result: not called safe

What happened

Company shut down/wound down after failing to close a fire-sale asset acquisition (June 2017)

Why it did not hold

Hello (Sense) built a single-purpose sleep gadget that bigger platforms replicated for free, and it ran out of runway in 2017.

Hello sold a small device that sat on your nightstand and tracked your sleep without touching you, then woke you up at the best time. It was not hard to copy because the technology was straightforward, and companies like Apple, Fitbit, and Withings quickly added the same features to products customers already owned (watches, alarm clocks, fitness trackers). The company raised over $40 million but only sold about 21,000 devices before shutting down in 2017 when Fitbit would not buy it. Today, sleep tracking is built into phones, watches, and smart home devices for free, making a standalone sleep device unnecessary.

AI pressure: None apparent. Company folded in 2017 before modern AI sleep-scoring tools existed to eat it; the wristwear era did that job first.

Bigger players: Apple, Fitbit/Google, Withings. Apple bought Beddit and Fitbit/Withings already had sleep tracking in customers' hands, leaving Sense's single-purpose device stranded.

What protected it. None. The device had no clinical certification, no owned dataset at scale, and no lock-in once bigger platforms bundled sleep tracking for free.

Timeline

2023-06-06Founder James Proud's new company Config raises $5M seed round, unrelated to Hello
2017-12-14Axios reports Hello still seeking a buyer for assets, none confirmed
2017-06-12Hello shuts down after failed fire-sale acquisition talks with Fitbit
2016-11-01Voice-enabled Sense update ships, last major product release
2016-08Hello lands retail distribution deals with Best Buy and Target
2015-06Series B closes: $40M led by Temasek Holdings at $250-300M valuation
2015-02-24Sense sleep tracker launches, sells approximately 21,000 units
2014-08-22Preliminary VC round adds $10.5M from angels including David Marcus
2014Kickstarter campaign raises $2.4M from over 19,000 backers
2012-08-28Hello founded in San Francisco by James Proud

Also gone

Chegg closed 2026 Course Hero closed 2026 One Hour Translation / Blend was absorbed 2026

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This page is a post-mortem, not a live assessment, and it carries no band. The blind-test result is the only part made without knowledge of the outcome.