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Non-contact acquisition of vital signs through radar technology is a very promising methodology that can address the shortcomings of the traditional contact-based medical devices and enable the move toward a more intelligent healthcare system. In particular, sleep monitoring has attracted a lot of interest these last years, due to the high demand for non-invasive sleep monitoring …
This article proposes a noncontact sleep monitoring method based on millimeter-wave radar, which accurately measures breathing and heartbeat rates during sleep by preprocessing reflected signals and using variational mode extraction (VME) …
The limitations of PSG have spurred research into the use of wireless technology for non-contact sleep monitoring. Radar technology enables the contactless sensing of a patient’s car-diorespiratory signals and movement patterns, which improves adoption, especially for older individuals, and makes it a promising multi-modal sensing technology platform for mon-itoring …
Sleep quality monitoring is vital for managing health risks associated with sleep disorders. Traditional methods, such as polysomnography, are invasive and can disrupt natural sleep patterns. This paper presents a novel, contactless approach to sleep monitoring using ultra-wideband (UWB) radar, providing a non-intrusive solution that detects key indicators of …
Jan 1, 2025 · Abstract Millimeter wave radar can be utilized for non-contact, long-term, and accurate health monitoring. This paper presents an application for vital signs detection including respiratory rate (RR) and heart rate (HR) during sleep, as well as facilitating rapid detection and extended recording of apnea syndrome.
Jun 28, 2019 · The non-invasive detection ability of radar sensor systems has recently gained much attention among researchers. This ability leads to many interesting applications of the microwave sensing systems, such as healthcare monitoring, defense, security, smart homes, and alive person search and rescue.
Jan 1, 2025 · Millimeter wave radar can be utilized for non-contact, long-term, and accurate health monitoring. This paper presents an application for vital signs detection including respiratory rate (RR) and heart rate (HR) during sleep, as well as facilitating rapid detection and extended recording of apnea syndrome.
Jun 1, 2025 · In recent years, millimeter-wave radar technology has been widely used for non-invasive recognition and tracking of sleep postures due to its advantages of high accuracy, contactless operation, and ability to penetrate clothing. In order to promote the development of this field and to address the lack of large-scale, high-quality sleep posture transition datasets, …
Jul 10, 2025 · In conclusion, the proposed radar-based sleep monitoring system presents a compelling, non-invasive, and contactless alternative to traditional sleep tracking methods, addressing key limitations associated with wearables, cameras, and high costs.
, a feature which limits the ability of some patient populations to tolerate testing and discourages widespread deployment. Previous work on non-contact sleep monitoring for sleep apnea detection either estimates respiratory effort using radar or nasal airflow using a thermal camera, but has not compared the two or used them
Compared with traditional contact medical devices, non-contact sleep monitoring based on millimeter wave radar has the advantages of non-contact, simple operation, and long-term monitoring of human respiration rate (RR) and heart rate (HR), which has broad research value and market prospects. In this paper, we review the recent developments, current challenges …
Jul 10, 2025 · Monitoring sleep posture and behavior is critical for diagnosing sleep disorders and improving overall sleep quality. However, traditional approaches, such as wearable devices, cameras, and pressure sensors, often compromise user comfort, fail under obstructions like blankets, and raise privacy concerns. To overcome these limitations, we present RestAware, a …
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