Sleep-tracking: It’s Not Just for Wearables Anymore

Sleep trackers built into mattresses have moved from novelty to a practical tool for many people. Unlike wrist-worn devices, under-mattress sensors can monitor sleep with minimal fuss — no charging, no straps, no sleep-stage guessing while you fumble to put something on. But a sleep-tracking mattress isn’t for everyone. So who needs a sleep tracking […]
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