Article

Advances in Sleep Stage Detection Using Wearable Physiological Signals: A Systematic Review

2026-07-14

Abstract excerpt

Polysomnography (PSG) remains the clinical gold standard for sleep staging, but its cost, obtrusiveness, and dependence on laboratory settings limit its scalability and ecological validity. Wearable devices that acquire photoplethysmography (PPG), accelerometry (ACC), skin temperature, and derived cardiovascular features offer an unobtrusive alternative, and a rapidly growing body of work has applied machine learn...

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Literature Corpus work: 2364ecd4-9033-5d1f-bfc5-e235d9717084
DOI: 10.20944/preprints202607.1006.v1

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