Sleep (system call)

About: Sleep (system call) is a research topic. Over the lifetime, 2633 publications have been published within this topic receiving 27806 citations. The topic is also known as: Sleep() & sleep().

Alarm clock system, method of operation and program product therefor

Abstract: A programmable alarm clock system, method of operation and program product therefor with sleep analysis to identify and wake a person during non-REM sleep patterns, resulting in less subsequent drowsiness and better day-to-day functioning. The programmable alarm clock system includes at least one brain activity sensor attachable to a head of a sleeper. Brain activity signals from the sensor(s) are sent to a receiver at a local computer. The user, before retiring inputs a wake up time and attaches the sensor(s). The local computer sends brain activity signals to a remotely connected sleep analyzing server which analyzes the brain activity and identifies REM sleep periods and non-REM sleep periods. The labeled brain activity periods are returned to the local computer which waits for the wake up time. Then, the local computer sets an alarm time by adjusting the wake up time to coincide with a non-REM sleep period, if necessary and if possible. At the alarm time, the local computer sends a trigger to a remotely triggered local alarm device such as a clock, which sounds an alarm to wake the user/sleeper.

Method and apparatus for power conservation for a mobile device in idle mode

Abstract: In accordance with an example embodiment of the present invention, a method comprises determining a sleep cycle comprising a number of discontinuous reception (DRX) cycles at a user equipment (UE) based at least on one of a current available power level, a call setup delay interval, and a quality of a received paging indicator channel (PICH) signal; entering a power saving mode during the determined sleep cycle at the user equipment (UE) upon an occurrence of a triggering event; and waking up from the power saving mode and checking for an active call after an occurrence of a second triggering event.

Intelligent air conditioner, sleep control device thereof and sleep control method for intelligent air conditioner

Abstract: The invention belongs to the field of control for air conditioners, and particularly relates to an intelligent air conditioner, a sleep control device thereof and a sleep control method for the intelligent air conditioner. The intelligent air conditioner, the sleep control device and the sleep control method have the advantages that an intelligent scheme for controlling comfort operation of the air conditioner is provided; sleep running modes and corresponding set temperatures in the sleep running modes corresponding to movement states can be respectively acquired according to physiological parameter information and the movement states of current users after a control function of the sleep control device is started, the physiological parameter information and the movement states of the current users are detected in real time, the sleep running modes correspond to gender and age stage information, signals can be transmitted to an indoor unit, the air conditioner can run in the sleep running modes according to the set temperatures under the control of the sleep control device, accordingly, requirements of specific groups on environments can be met by the sleep running modes and the set temperatures, purposes of comfort and health can be achieved, and intelligent air conditioner, the sleep control device and the sleep control method are beneficial to improve the experience of the users.

Internet of things for sleep quality monitoring system: A survey

Abstract: Sleep quality is an important factor for human physical and mental health, day-time performance, and safety. Sufficient sleep quality can reduce risk of chronic disease and mental depression. Sleep helps brain to work properly that can improve productivity and prevent accident because of falling asleep. In order to analyze the sleep quality, reliable continuous monitoring system is required. The emergence of internet-of-things technology has provided a promising opportunity to build a reliable sleep quality monitoring system by leveraging the rapid improvement of sensor and mobile technology. This paper presents the literature study about internet of things for sleep quality monitoring systems. The study is started from the review of sleep quality problem, the importance of sleep quality monitoring, the enabling internet of things technology, and the open issues in this field. Finally, our future research plan for sleep apnea monitoring is presented.

When the Locus Coeruleus Speaks Up in Sleep: Recent Insights, Emerging Perspectives

Abstract: For decades, numerous seminal studies have built our understanding of the locus coeruleus (LC), the vertebrate brain’s principal noradrenergic system. Containing a numerically small but broadly efferent cell population, the LC provides brain-wide noradrenergic modulation that optimizes network function in the context of attentive and flexible interaction with the sensory environment. This review turns attention to the LC’s roles during sleep. We show that these roles go beyond down-scaled versions of the ones in wakefulness. Novel dynamic assessments of noradrenaline signaling and LC activity uncover a rich diversity of activity patterns that establish the LC as an integral portion of sleep regulation and function. The LC could be involved in beneficial functions for the sleeping brain, and even minute alterations in its functionality may prove quintessential in sleep disorders.