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Azumio released a smart alarm clock and sleep analysis tool, Sleep Time, on March 28, 2012. [14] By using the accelerometer in mobile phones, the application uses movement-analysis algorithms to measure the user's level of body movement and correlates that with a specific phase of the sleep cycle ( Light sleep and Deep sleep ).
The sleep cycle is an oscillation between the slow-wave and REM (paradoxical) phases of sleep. It is sometimes called the ultradian sleep cycle, sleep–dream cycle, or REM-NREM cycle, to distinguish it from the circadian alternation between sleep and wakefulness. In humans, this cycle takes 70 to 110 minutes (90 ± 20 minutes). [1]
Polyphasic sleep is the practice of sleeping during multiple periods over the course of 24 hours, in contrast to monophasic sleep, which is one period of sleep within 24 hours. Biphasic (or diphasic , bifurcated , or bimodal ) sleep refers to two periods, while polyphasic usually means more than two. [ 1 ]
SleepBot was an alarm clock and sleep tracking application available for mobile devices and web. The mobile version worked with Android and iOS smartphones and tablets, while the web version ran through a device's web browser. Jane Zhu, a member of the development team, wrote that SleepBot development had ceased. [1]
Known as slow-wave sleep or stage 3 non-REM sleep, this is the deepest stage of sleep and the hardest to wake up from. Brain activity slows down, muscles and bones strengthen, hormones regulate ...
The Fitbit Alta HR, a wearable device capable of monitoring a person's sleep. [1] Sleep tracking is the process of monitoring a person's sleep, most commonly through measuring inactivity and movement. [2] A device that tracks a person's sleep is called a sleep tracker. [3] Sleep tracking may be beneficial in diagnosing sleep disorders. [4]
In March 2013 Sleepio was one of the launch apps in the Apps Library of the UK National Health Service (NHS). [ 5 ] [ 6 ] Sleepio was one of ten partners worldwide to launch on Jawbone's UP self-tracking platform in April 2013, [ 7 ] allowing import of sleep data collected by the UP activity tracker into Sleepio.
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