Product Demo
NextSense
NextSense Smartbuds Sleeping Assistant Earbuds
$299.00
NextSense Smartbuds cost $299.00. They are sleep earbuds with six dry EEG sensors reading brainwaves from inside the ear at 1,000 Hz, so sleep stages come from brain activity instead of being inferred from wrist movement. Each bud weighs about 5 grams and runs up to nine hours. During slow-wave sleep they play quiet sound pulses timed to your own rhythm. iPhone 12 or newer, iOS 17 and up.
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Specifications
product typeEEG sleep earbuds
main modelNextSense Smartbuds
EEG sensors6 dry-contact EEG sensors
sampling rate1000 Hz
weightabout 5g
battery lifeup to 9 hours of streaming and stimulation
case chargingcharging case provides extra recharges
core functionreal-time brainwave sensing during sleep
Before you buy
Where to buy NextSense Smartbuds
NextSense sells Smartbuds at nextsense.io, and MetaOriental links there rather than shipping them. NextSense Smartbuds cost $299.00.
Who NextSense Smartbuds are for
Smartbuds are aimed at people who want something done about their sleep rather than a report on it in the morning. Each bud carries six dry-contact EEG sensors sampling at 1000 Hz, so they read brain activity through the ear canal and identify sleep stages as they happen. NextSense then plays gentle sound pulses timed to support slow-wave sleep, and the buds run up to nine hours on a charge at about 5 g each.
Are NextSense Smartbuds worth $299?
EEG in a consumer earbud is genuinely uncommon — most sleep wearables infer stages from movement and heart rate rather than reading the brain — and that is what the price buys. The honest question is whether you can sleep with earbuds in at all, because comfort decides this purchase more than any specification. Side sleepers in particular should think hard before ordering.
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