Building a Sleep Product? What Rings, Watches, mmWave Radar Modules, and Infrared Actually Measure
A growing number of teams are building sleep monitoring around a small mmWave radar module . It gets slipped into a bedside lamp, hidden inside an AI companion toy, built into an intercom, or mounted on the headboard or under the bed frame. The questions they are all trying to answer sound simple: is this person asleep, and what are their vital signs doing? To answer those questions you have to…
When building a sleep monitoring product, teams often turn to small mmWave radar modules. These modules can be slipped into various devices such as bedside lamps, AI companion toys, intercoms, and headboards. The primary goal is to determine if a person is asleep and what their vital signs are doing. To achieve this, four sensing technologies are available: rings, watches or bands, mmWave radar modules, and infrared sensors.
Each technology measures specific physical signals, and the inferred data is what ultimately forms the sleep score. Understanding the strengths and weaknesses of each technology is crucial in determining which one to use for a particular sleep product.
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