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Related papers: Optimizing Photoplethysmography-Based Sleep Stagin…

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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…

Signal Processing · Electrical Eng. & Systems 2025-08-06 Jiawei Wang , Yu Guan , Chen Chen , Ligang Zhou , Laurence T. Yang , Sai Gu

Sleep is a crucial aspect of our overall health and well-being. It plays a vital role in regulating our mental and physical health, impacting our mood, memory, and cognitive function to our physical resilience and immune system. The…

Introduction: Sleep staging is an essential component in the diagnosis of sleep disorders and management of sleep health. It is traditionally measured in a clinical setting and requires a labor-intensive labeling process. We hypothesize…

Machine Learning · Computer Science 2022-05-02 Kevin Kotzen , Peter H. Charlton , Sharon Salabi , Lea Amar , Amir Landesberg , Joachim A. Behar

Background: Sleep staging is a fundamental component in the diagnosis of sleep disorders and the management of sleep health. Traditionally, this analysis is conducted in clinical settings and involves a time-consuming scoring procedure.…

We present the first real-time sleep staging system that uses deep learning without the need for servers in a smartphone application for a wearable EEG. We employ real-time adaptation of a single channel Electroencephalography (EEG) to…

Human-Computer Interaction · Computer Science 2018-11-29 Abhay Koushik , Judith Amores , Pattie Maes

Reliable sleep staging remains challenging for lightweight wearable devices such as single-channel electroencephalography (scEEG) or photoplethysmography (PPG). scEEG offers direct measurement of cortical activity and serves as the…

Signal Processing · Electrical Eng. & Systems 2026-02-18 Jiawei Wang , Liang Xu , Shuntian Zheng , Yu Guan , Kaichen Wang , Ziqing Zhang , Chen Chen , Laurence T. Yang , Sai Gu

Sleep staging is essential for the assessment of sleep quality and the diagnosis of sleep-related disorders. Conventional polysomnography (PSG), while considered the gold standard, is intrusive, labor-intensive, and unsuitable for long-term…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Zhuo Diao , Yueting Li , Jianpeng Wang , Shengyu Guan , Xinwei Wang , Wenxiong Cui , Xin Shi , Tong Liu , Kailai Sun , Jingyu Wang , Dian Fan , Thomas Penzel

Accurate classification of sleep stages from less obtrusive sensor measurements such as the electrocardiogram (ECG) or photoplethysmogram (PPG) could enable important applications in sleep medicine. Existing approaches to this problem have…

Machine Learning · Computer Science 2024-11-08 Jonathan F. Carter , Lionel Tarassenko

Understanding the sleep quality and architecture is essential to human being's health, which is usually represented using multiple sleep stages. A standard sleep stage determination requires Electroencephalography (EEG) signals during the…

Signal Processing · Electrical Eng. & Systems 2019-09-26 Yuezhou Zhang , Zhicheng Yang , Ke Lan , Xiaoli Liu , Zhengbo Zhang , Peiyao Li , Desen Cao , Jiewen Zheng , Jianli Pan

Sleep staging is essential for diagnosing sleep disorders and assessing neurological health. Existing automatic methods typically extract features from complex polysomnography (PSG) signals and train domain-specific models, which often lack…

Signal Processing · Electrical Eng. & Systems 2025-09-30 Jianheng Zhou , Chenyu Liu , Jinan Zhou , Yi Ding , Yang Liu , Haoran Luo , Ziyu Jia , Xinliang Zhou

Sleep disorder diagnosis relies on the analysis of polysomnography (PSG) records. As a preliminary step of this examination, sleep stages are systematically determined. In practice, sleep stage classification relies on the visual inspection…

Machine Learning · Statistics 2021-06-21 Antoine Guillot , Valentin Thorey

Sleep stage classification is crucial for diagnosing and managing disorders such as sleep apnea and insomnia. Conventional clinical methods like polysomnography are costly and impractical for long-term home use. We present an…

Signal Processing · Electrical Eng. & Systems 2025-08-19 Zahra Mohammadi , Parnian Fazel , Siamak Mohammadi

Accurate sleep stage classification is essential for diagnosing sleep disorders, particularly in aging populations. While traditional polysomnography (PSG) relies on electroencephalography (EEG) as the gold standard, its complexity and need…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Olivier Papillon , Rafik Goubran , James Green , Julien Larivière-Chartier , Caitlin Higginson , Frank Knoefel , Rébecca Robillard

Photoplethysmography (PPG) is a non-invasive technology that measures changes in blood volume in the microvascular bed of tissue. It is commonly used in medical devices such as pulse oximeters and wrist worn heart rate monitors to monitor…

Photoplethysmography (PPG) is a widely used non-invasive physiological sensing technique, suitable for various clinical applications. Such clinical applications are increasingly supported by machine learning methods, raising the question of…

Manual sleep staging from polysomnography (PSG) is labor-intensive and prone to inter-scorer variability. While recent deep learning models have advanced automated staging, most rely solely on raw PSG signals and neglect contextual cues…

Machine Learning · Computer Science 2025-11-13 Woosuk Chung , Seokwoo Hong , Wonhyeok Lee , Sangyoon Bae

Conventional sleep monitoring is time-consuming, expensive and uncomfortable, requiring a large number of contact sensors to be attached to the patient. Video data is commonly recorded as part of a sleep laboratory assessment. If accurate…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Jonathan Carter , João Jorge , Bindia Venugopal , Oliver Gibson , Lionel Tarassenko

Automated sleep stage classification using heart-rate variability is an active field of research. In this work limitations of the current state-of-the-art are addressed through the use of deep learning techniques and their efficacy is…

Neurons and Cognition · Quantitative Biology 2018-09-18 Mustafa Radha , Pedro Fonseca , Marco Ross , Andreas Cerny , Peter Anderer , Ronald M. Aarts

Continuous photoplethysmography (PPG)-based blood pressure monitoring is necessary for healthcare and fitness applications. In Artificial Intelligence (AI), signal classification levels with the machine and deep learning arrangements need…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Nida Nasir , Mustafa Sameer , Feras Barneih , Omar Alshaltone , Muneeb Ahmed

This paper proposes a practical approach for automatic sleep stage classification based on a multi-level feature learning framework and Recurrent Neural Network (RNN) classifier using heart rate and wrist actigraphy derived from a wearable…

Machine Learning · Statistics 2017-11-03 Xin Zhang , Weixuan Kou , Eric I-Chao Chang , He Gao , Yubo Fan , Yan Xu
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