{"ID":2891377,"CreatedAt":"2026-06-01T04:54:23.091178241Z","UpdatedAt":"2026-06-01T04:54:23.091178241Z","DeletedAt":null,"paper_url":"https://arxiv.org/abs/2508.02689","arxiv_id":"2508.02689","title":"On Improving PPG-Based Sleep Staging: A Pilot Study","abstract":"Sleep monitoring through accessible wearable technology is crucial to improving well-being in ubiquitous computing. Although photoplethysmography(PPG) sensors are widely adopted in consumer devices, achieving consistently reliable sleep staging using PPG alone remains a non-trivial challenge. In this work, we explore multiple strategies to enhance the performance of PPG-based sleep staging. Specifically, we compare conventional single-stream model with dual-stream cross-attention strategies, based on which complementary information can be learned via PPG and PPG-derived modalities such as augmented PPG or synthetic ECG. To study the effectiveness of the aforementioned approaches in four-stage sleep monitoring task, we conducted experiments on the world's largest sleep staging dataset, i.e., the Multi-Ethnic Study of Atherosclerosis(MESA). We found that substantial performance gain can be achieved by combining PPG and its auxiliary information under the dual-stream cross-attention architecture. Source code of this project can be found at https://github.com/DavyWJW/sleep-staging-models","short_abstract":"Sleep monitoring through accessible wearable technology is crucial to improving well-being in ubiquitous computing. Although photoplethysmography(PPG) sensors are widely adopted in consumer devices, achieving consistently reliable sleep staging using PPG alone remains a non-trivial challenge. In this work, we explore m...","url_abs":"https://arxiv.org/abs/2508.02689","url_pdf":"https://arxiv.org/pdf/2508.02689v1","authors":"[\"Jiawei Wang\",\"Yu Guan\",\"Chen Chen\",\"Ligang Zhou\",\"Laurence T. Yang\",\"Sai Gu\"]","published":"2025-07-23T14:11:41Z","proceeding":"eess.SP","tasks":"[\"eess.SP\",\"cs.LG\"]","methods":"[]","has_code":false,"code_links":[{"ID":611876,"CreatedAt":"2026-06-01T04:54:23.091178241Z","UpdatedAt":"2026-06-01T04:54:23.091178241Z","DeletedAt":null,"paper_id":2891377,"paper_url":"https://arxiv.org/abs/2508.02689","paper_title":"On Improving PPG-Based Sleep Staging: A Pilot Study","repo_url":"https://github.com/DavyWJW/sleep-staging-models","is_official":false,"mentioned_in_paper":false,"mentioned_in_github":true,"github_stars":0}]}