从脉冲到睡眠阶段:使用心率变化优化睡眠分类
Pavlos I Topalidis1, Sebastian Baron2,3, Dominik P J Heib1,4
1Laboratory for Sleep, Cognition and Consciousness Research, Department of Psychology, Centre for Cognitive Neuroscience Salzburg (CCNS), Paris-Lodron University of Salzburg, 5020 Salzburg, Austria.
Sensors (Basel, Switzerland)
|November 25, 2023
概括
可穿戴的睡眠追踪器可能不准确,导致"orthosomnia. " 这项研究使用新的损失函数模型优化了睡眠分类,提高了消费者可穿戴设备的准确性,即使使用药物也显示出可靠的结果.
科学领域:
- 生物医学工程 生物医学工程
- 睡眠科学 睡眠科学
- 数字健康数字健康
背景情况:
- 消费者用于睡眠跟踪的可穿戴设备越来越受欢迎,但它们的准确性经常受到批评,这可能会导致睡眠跟踪问题.
- 这种疾病是orthosomnia.
- 和负面的健康结果.
研究的目的:
- 优化以前开发的睡眠分类程序,用于使用消费者可穿戴设备进行门诊睡眠检测.
- 通过引入先进的信号质量控制和一种新的损失函数模型,尽量减少自我报告的睡眠不良者的错误睡眠分类.
主要方法:
- 采用了一种新的节拍间隔 (IBI) 质量控制方法,采用随机森林算法.
- 实施睡眠分类的损失函数模型,将其与时代对时代准确性模型进行对比.
- 使用多睡眠学 (PSG),单导电心电图,Polar® H10 (ECG) 和Polar® Verity Sense (PPG) 可穿戴设备的信号进行分类性能比较.
主要成果:
- 优化的损失函数模型实现了高整体精度 (86.3%的心电图,84.4%的H10,84.2%的VS),在深度睡眠和清醒分类方面取得了显著的改进.
- 该模型显示了初级睡眠参数与PSG的中度至高相关性和一致性.
- 对于大多数睡眠参数观察到的可靠性很好,在服用心脏影响或精神活性药物的人群中,保持了准确的4级睡眠阶段.
结论:
- 优化的睡眠分类模型提高了可穿戴睡眠传感器的准确性和可靠性,解决了先前的批评.
- 这种方法对临床应用有希望,特别是对于老年人或患有常见疾病的人来说,通过提供可靠的睡眠数据.
- 进一步验证这些算法可以增加对可穿戴睡眠技术的信心,并促进其融入临床实践.
相关概念视频
01:30Factors Influencing Heart Rate
2.7K
The heart rate, or pulse rate, is a vital indicator of cardiovascular health. It reflects the number of times the heart beats per minute. Various physiological and environmental factors influence heart rate, increasing or decreasing cardiac output. Understanding these factors is crucial for assessing heart function and identifying potential health issues.
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
2.7K
01:11Understanding Sleep
230
Sleep, an essential biological state, involves significant reductions in physical activity, sensory awareness, and interaction with the environment. This complex physiological process is primarily regulated by specific brain regions, notably the hypothalamus and pons, which govern the sleep-wake cycle or circadian rhythm.
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...
230
01:24Sleep-Wake Cycles
1.4K
Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and rapid eye movement (REM).
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
1.4K
01:21Sleep Apnea
159
Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
The condition is more prevalent among...
The condition is more prevalent among...
159
01:31Regulation of Heart Rates
1.8K
The regulation of heart rate is a complex process controlled by the autonomic nervous system (ANS), hormonal influences, and intrinsic cardiac mechanisms. The ANS has two main components: the sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS).
The SNS increases heart rate through the release of norepinephrine and epinephrine, which act on beta-1 adrenergic receptors in the heart. This action increases the rate of depolarization in the sinoatrial (SA) node, the heart's...
The SNS increases heart rate through the release of norepinephrine and epinephrine, which act on beta-1 adrenergic receptors in the heart. This action increases the rate of depolarization in the sinoatrial (SA) node, the heart's...
1.8K
01:30Pulse rhythm
807
Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
807