circadian-rhythm
(3)
Hatch
Hatch is a Menlo Park sleep-technology company that designs bedside devices and a companion content subscription to help people fall asleep and wake up better. Founded in 2014 by former BabyCenter executives Ann Crady Weiss and Dave Weiss, it started with connected products for babies and toddlers (Hatch Rest) before expanding to adults with the Hatch Restore line of sunrise alarm clocks and sound machines. The company pairs hardware with the Hatch Sleep app and the paid Hatch+ library of sleep sounds, sleep stories, meditations and light-based wind-down routines, reaching more than half a million families.
Flykitt
Flykitt is a personalized jet lag prevention system built by Fount, a Los Angeles human-performance company founded by former Pentagon researcher Andrew Herr. It pairs a course of timed supplements, blue-light-blocking glasses, and an AI-powered app that schedules exactly when a traveler should take each pill, wear the glasses, eat, and sleep based on their specific flight. Born from work optimizing Navy SEALs and fighter pilots, Flykitt treats jet lag as a combination of circadian disruption and flight-induced inflammation, and claims the majority of users report minimal to no jet lag.
Rise Science
Rise Science is a Chicago-based health technology company behind RISE, a sleep and energy tracking app built on two ideas sleep researchers agree on: sleep debt and circadian rhythm. Rather than scoring your sleep with a vague number, RISE predicts your daily energy peaks and dips and tells you the best time to do everything - from your last coffee to winding down for bed. Founded in 2015 by Northwestern engineers Jeff Kahn and Leon Sasson, the company has raised $15.5M and grown the app past 5 million users.