Colin Snow
Sleep as Android is a smart alarm clock with sleep cycle tracking capabilities. It enables you to use your phone's microphone and speaker as a sonar to detect movement and range using ultrasound. The app can also be used with additional devices like Sleep Phaser and wearables. Sleep as Android provides insights into your sleep patterns and can help you wake up at the optimal time. It offers a range of features, including the ability to set alarms for specific days, CAPTCHA wake-up verification, and more. The app is affordable, costing around $3.99, and has received positive reviews from users and publications.
| Characteristics | Values |
|---|---|
| Sleep tracking | Uses phone's microphone and speaker as sonar for range and movement detection |
| Uses ultrasound, considered safe at normal volume | |
| Can also use additional devices like Sleep Phaser and wearables | |
| Sleep duration is the sum of all sleep stages (light, REM, and deep), excluding waking stages | |
| Compares algorithms to sleep lab results | |
| Has a battery-saving mode | |
| Uses accelerometers for sleep tracking | |
| Can collect HR data from non-compatible wearables and oximeters via Smart Bluetooth | |
| Smart wake-up | Finds the best time to wake up based on the sleep cycle |
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What You'll Learn
Sleep as Android is a smart alarm clock with sleep cycle tracking
Sleep as Android is a smart alarm clock and sleep cycle tracker. It uses your phone's microphone and speaker as a sonar system to detect movement through ultrasound. This allows the app to track your sleep duration and quality, including light, REM, and deep sleep stages. You can set up your desired alarm time through the app, and the smart wake-up feature will suggest the best time for you to wake up based on your sleep cycle, aiming for a pleasant waking experience.
To get started, simply set your alarm time and confirm it with the "SET" and "DONE" buttons. Then, tap the moon icon to start sleep tracking. The app will use your phone's sensors to determine your sleep phase and movement. Place your phone on your mattress near your body so it can accurately sense and record your sleep patterns.
Sleep as Android also offers battery-saving mode, which resumes full tracking before the Smart Wakeup period to optimize battery consumption throughout the night. This feature becomes active when your battery drops below the defined standby threshold, which is set at 10% by default. Additionally, you can use Bluetooth to collect heart rate data from non-compatible wearables or oximeters, providing further insights into your sleep quality.
The app provides a range of options and settings to enhance your sleep tracking experience, allowing you to customize the frequency and volume of the ultrasound to achieve reliable results. With its combination of smart alarm features and sleep cycle tracking, Sleep as Android offers a comprehensive tool to improve your sleep habits and overall sleep quality.
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It uses actigraphy to track sleep phases and movement
Sleep as Android uses actigraphy to track sleep phases and movement. This involves placing your phone on your mattress near your body, allowing it to sense your movement and wake you up at the optimal time during your sleep cycle. The app uses the phone's microphone and speaker as a sonar for range and movement detection, although it's worth noting that not all phones are compatible with this feature. Sleep as Android also offers the option to use additional devices like Sleep Phaser and wearables for sleep tracking.
Actigraphy is a method that involves the use of a small, watch-like device worn on the wrist or ankle to track movement and sleep patterns. The device contains a sensor that detects and records movement data, which can then be used to determine sleep and wake patterns. This information can be helpful in diagnosing sleep disorders or evaluating the effectiveness of sleep treatments.
In the case of Sleep as Android, the phone itself acts as the actigraphy device, using its sensors to track movement and sleep phases. This data is then used to determine the optimal time to wake you up within a specified time range (e.g., between 7:30 and 8:00). By analysing your movement and sleep patterns, the app aims to provide a more pleasant wake-up experience, ensuring you're not abruptly awakened from deep sleep.
It's important to note that Sleep as Android allows you to customise your settings to get optimal results. For example, you can adjust the sensitivity of the sensors or disable awake detection if you prefer your sleep duration to match your tracking duration. Additionally, the app offers battery-saving mode, which resumes full tracking before the Smart Wakeup period to optimise battery consumption throughout the night.
Overall, Sleep as Android's utilisation of actigraphy provides a convenient way to track sleep phases and movement, helping users understand their sleep patterns and make informed decisions to improve their sleep hygiene.
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It can be used with additional devices like smartwatches and Google Fit
Sleep as Android is compatible with a wide range of smartwatches and fitness trackers, including Wear OS watches, Pebble, Fossil, Mobvoi, and Garmin watches. The app can be used to track sleep on these devices, providing insights and helping users get a good night's rest.
To use Sleep as Android with a smartwatch, you need to first install the app on your smartphone and set up an account. Then, you can install the companion app on your smartwatch from the Play Store. Once the app is installed on both devices, you can start tracking your sleep by launching the app on your watch or phone, depending on the model. The watch and phone will then be connected, and sleep tracking will begin according to your chosen settings.
Sleep as Android utilises sensors in the smartwatch to augment the data collected by the phone. This combination of smartphone and smartwatch data provides a more comprehensive picture of your sleep. Additionally, the app offers various features, such as Smart Wake Up, Sleep Noise Recording, and Jet Lag Prevention, to enhance your sleep experience.
It's important to note that some smartwatch models, like Garmin watches, have specific requirements for sleep tracking. For example, on Garmin watches, you need to disable the system-wide gesture backlight setting to ensure the screen doesn't light up during sleep tracking. Also, certain watches may require you to initiate sleep tracking from the watch itself rather than the phone due to system limitations.
While Sleep as Android integrates well with smartwatches, it's worth mentioning that Google Fit, Google's own health and fitness platform, does not natively support sleep tracking. This means that you won't be able to use Google Fit as a substitute for sleep tracking on your Android device, and you'll need to rely on dedicated sleep tracking apps like Sleep as Android for this functionality.
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The app can record snoring and sleep talk
Sleep as Android uses your phone's microphone and speaker as a sonar device to track your sleep. This works by emitting ultrasound and detecting movement via changes in the ultrasound pattern. The app can also be used with additional devices like Sleep Phaser and wearables, including smart Bluetooth devices, to collect heart rate data from non-compatible wearables and oximeters.
Sleep as Android can record snoring and sleep talking by detecting sounds during sleep. The app uses the phone's microphone to pick up these sounds, which can be useful for people who want to monitor their snoring or sleep talking habits. The sensitivity of the microphone can be adjusted in the app settings to optimise sound detection.
The app's sonar feature can also be used to detect movement during sleep, which can be helpful for people who talk or move a lot in their sleep. Sleep as Android's sonar uses ultrasound, which is generally considered safe for humans and pets, as it operates at a volume and frequency similar to a high-pitched sound that humans cannot hear.
Sleep as Android provides detailed sleep tracking data, including light, REM, and deep sleep stages. The app also offers a battery-saving mode, which resumes full tracking before the Smart Wakeup period to determine the optimal time to wake up, minimising battery consumption throughout the night.
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It has a battery-saving mode that uses minimal power overnight
Sleep as Android has a battery-saving mode that uses minimal power overnight. This feature is designed to optimise your phone's battery life while still allowing the app to track your sleep and wake you up at the optimal time.
The battery-saving mode resumes full tracking before the Smart Wakeup period, which is the period when the app determines the best time for you to wake up based on your sleep cycle. By resuming tracking before this period, the app can ensure that it only uses a fraction of the battery consumption for the entire night.
The Smart Wakeup period is based on your sleep cycle, which includes light, REM, and deep sleep stages. The app uses your phone's sensor to detect your movement and determine what sleep phase you are in. This information is used to calculate the best time to wake you up within a specified time range, such as between 7:30 and 8:00.
To enable battery-saving mode, you can go to the app's settings and adjust the standby threshold, which is the battery level at which the battery saver mode will resume full tracking. The default threshold is set at 10%, but you can customise this setting based on your preferences and battery usage patterns.
Overall, the battery-saving mode in Sleep as Android is a useful feature that helps balance the need for sleep tracking and optimal wake-up times with the importance of conserving battery power during the night.
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Frequently asked questions
Sleep as Android uses your phone’s microphone and speaker as a sonar to detect range and movement using ultrasound. It can also be paired with other devices like smartwatches and wearables to track sleep.
Sleep as Android can help you understand your sleep patterns and encourage you to develop healthier sleep habits. It also has a smart wake-up feature that wakes you up at the best time within a 30-minute window based on your sleep cycle.
Sleep as Android may not be 100% accurate, but it can provide insights into your sleep patterns. The accuracy may depend on the device used and the placement of the phone. Some users have found it to be spot-on, while others have expressed doubts about the data.
