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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]
If you’re planning to sleep better or wake up earlier to implement new routines in the new year, a small and helpful step may be trading your phone for an alarm clock. Stop the morning snoozing
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]
This is an accepted version of this page This is the latest accepted revision, reviewed on 25 February 2025. Type of clock A traditional wind-up (key-wound), mechanical spring-powered alarm clock An alarm clock or alarm is a clock that is designed to alert an individual or group of people at a specified time. The primary function of these clocks is to awaken people from their night's sleep or ...
Clock World clock, countdown timer, stopwatch and alarms. -- -- Contacts Phonebook for numbers and email addresses. -- -- Files A simple file manager to move, copy and rename files on internal storage or SD card. -- -- FlipFlap An app for smart flip covers, only included on select devices. -- -- FM Radio
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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]
The basic rest–activity cycle (BRAC) is a physiological arousal mechanism in humans proposed by Nathaniel Kleitman, [1] hypothesized to occur during both sleep and wakefulness. Empirically, it is an ultradian rhythm of approximately 90 minutes (80–120 minutes [ 2 ] ) characterized by different levels of excitement and rest.