About Ozlo
Drowsy Digital, Inc. does business as Ozlo, a sleep technology company in Marlborough, Massachusetts. It makes Ozlo Sleepbuds, small wireless earbuds designed to be worn during sleep. The company also publishes an Ozlo Sleepbuds app for iPhone and iPad.
Naganagouda Patil is chief executive officer. Ozlo has reached 260,000 customers in under two years. On October 28, 2026, it announced a $22 million Series B round led by Modi Ventures.
Funding Rounds (SEC Form D)
| First sale | Filed with SEC | Amount sold | Investors | Avg. check | Terms | Filing |
|---|---|---|---|---|---|---|
| Oct 28, 2022 | Oct 29, 2026 | $10,099,999fully sold | 12 | $841K | EquityRule 506(b) | Form D ↗ |
| Oct 13, 2026 | Oct 29, 2026 | $37,705,860of $40.4M target | 76 | $496K | EquityRule 506(b) | Form D ↗ |
| Total, two offerings | $47,805,859 | |||||
First sale is the date the first investor in the offering committed to invest. Companies must file Form D within 15 days of that date, so filing dates run later.
Rounds announced by Ozlo
What the company said publicly about its funding. Announced amounts can differ from Form D figures: an announcement can combine several closings, and some money is raised without a Form D.
| Announced | Round | Amount | Investors | Source |
|---|---|---|---|---|
| Oct 28, 2026 | Series B | $22 million | Modi Ventures (lead) | Ozlo release on the Series B ↗ |
Why Investors Backed Ozlo
Ozlo makes small wireless earbuds designed for sleeping. The company behind them, Drowsy Digital, Inc., announced a $22 million Series B on October 28, 2026. It has reached 260,000 customers in under two years. Modi Ventures led the round.
What the product does
The Ozlo Sleepbuds are tiny wireless earbuds designed specifically for sleep. Ozlo calls them ultra-comfortable. The company's mission is better sleep, naturally. An app under the same name is listed on the App Store with the subtitle "Ultra-Comfy Sleep Headphones."
Who backs it
Modi Ventures led the $22 million Series B. The money is meant for product development, sleep research and new technologies. Those technologies would address a broader range of sleep and nighttime health needs than the current earbuds.
We wrote this summary from public statements by Ozlo and its investors. It is not investment advice.
Ozlo in the News
Leadership Team
Executive officers and directors listed on Ozlo's Form D filed Oct 29, 2026.