Could your smartphone replace a sleep lab?
NCT ID NCT04943562
First seen Dec 05, 2025 · Last updated Jun 20, 2026 · Updated 35 times
Summary
This study is testing whether wearable devices like activity trackers, EEG headbands, and smartphones can accurately measure sleep stages. Researchers will compare these devices to standard sleep lab tests (polysomnography) in 96 healthy volunteers and people with sleep disorders. If the devices prove reliable, they could offer a simpler, more accessible way to diagnose sleep problems at home.
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This is a summary of
the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Centro de Especialistas do Sono
RECRUITINGSão Paulo, 01416-001, Brazil
Contact Phone: •••-•••-•••• Email: •••••@•••••
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SleepUp Tecnologia em Saúde LTDA
RECRUITINGSão Caetano do Sul, São Paulo, 09530-250, Brazil
Contact Phone: •••-•••-•••• Email: •••••@•••••
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
What this could lead to
If successful, this could lead to a reliable, at-home method for diagnosing sleep disorders without needing a sleep lab.
What could go wrong
This is an early-stage validation study with only 96 participants. The wearable devices may not match the accuracy of standard polysomnography, and results may not apply to all sleep conditions.
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.