Colin Snow
Sleep as Android is a sleep-tracking app that uses sonar contactless tracking and snore detection to record your sleeping patterns. The app allows you to set a smart alarm to synchronize your wake-up alarms with gradual noises and calming sounds. It also prioritizes user privacy by not requiring you to create an account to access its features. Sleep as Android offers both free and paid options. The free version includes basic sleep tracking, while the paid version provides more in-depth sleep cycle analysis and smart gadget integrations. The app enables you to use your phone's microphone and speaker as a sonar for range and movement detection using ultrasound. This technology brings the benefit of contactless motion tracking, eliminating the need for a wearable device.
| Characteristics | Values |
|---|---|
| Motion Tracking | Sonar or Accelerometer |
| Sonar | Uses phone's microphone and speaker for range and movement detection using ultrasound |
| Accelerometer | Accuracy depends on how well your bed is able to transmit your movement to the phone |
| Heart Rate Device | Enable tracking in Settings → Sleep tracking → Wearables → Bluetooth Smart |
| Heart Rate Data Collection | Smart Bluetooth |
| Sleep Tracking Sensor | Wearable or phone |
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What You'll Learn
Motion tracking via phone or wearable device
Motion tracking is an important aspect of sleep tracking, and there are several options for Android users who want to track their sleep via their phone or a wearable device. One popular option is the Sleep Cycle app, which is available on both iOS and Android devices and offers a user-friendly interface and accurate data. The app can detect your sleep patterns and how they correlate with diet and exercise, and it also offers a variety of smart alarm sounds and lulling sounds to help you wake up and fall asleep. The premium version of the app provides additional features such as sleep guides, stories, and ambient sounds.
Another option for Android users is the Sleep as Android app, which uses sonar contactless tracking and snore detection to record your sleeping patterns. The app also allows you to set a smart alarm to synchronize your wake-up alarms with gradual noises and calming sounds. One unique feature of this app is its focus on user privacy, as you don't need to create an account or worry about personalized ads and tracking. Sleep as Android offers both free and paid options, with the free version including basic sleep tracking features and the paid version providing more in-depth sleep cycle analysis and smart gadget integrations.
For those who prefer a wearable device for sleep tracking, there are several options compatible with Android devices. One popular choice is the Oura Ring, which offers insights into sleep efficiency, restfulness, readiness, and more. The Oura Ring has a long battery life of up to 8 days and is water-resistant, making it a convenient choice for those who want to track their sleep while also staying active. Another option is the Ultrahuman Ring Air, which offers similar features to the Oura Ring, including sleep cycle tracking, heart rate monitoring, and water resistance.
In addition to these options, there are other sleep tracking apps and wearables available for Android users, such as SleepScore, Sleep Monitor, and SnoreLab. Each of these apps offers unique features such as intelligent alarms, sleep stage recording, and snoring detection, so users can choose the one that best suits their needs and preferences. It's worth noting that while these apps and devices can provide valuable insights into your sleep patterns, they may not offer completely accurate or perfect measurements.
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Sonar technology
Sleep as Android is a sleep-tracking app that uses sonar technology to record your sleeping patterns. The app uses your phone's microphone and speaker as a sonar device to detect movement and range using ultrasound. This technology is safe, emitting minimal energy and using frequencies that are well within the range considered harmless to humans. The volume of the sound is around 50 dB, which is less than the volume of a normal conversation.
The Sleep as Android app offers a convenient, contactless way to track your sleep. Unlike other sleep trackers, you don't need to place your phone under your pillow or wear a device in bed. Instead, you simply place your phone on a nightstand and go to sleep. The app then uses sonar to track your sleep, emitting sound waves that help assess your sleep quality based on breathing and movement.
The app also includes a smart alarm feature that synchronizes your wake-up alarms with gradual noises and calming sounds. It prioritizes user privacy, allowing you to opt-out of analytics to avoid personalized ads and tracking. Sleep as Android offers both free and paid options. The free version includes basic sleep tracking, while the paid version provides more in-depth sleep cycle analysis, sleep reports, and smart gadget integrations.
Overall, Sleep as Android's sonar technology provides a safe, convenient, and contactless way to track your sleep, offering insights into your sleep patterns and breathing to help you better understand and improve your sleep quality.
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Sleep as Android's compatibility with other devices
Sleep as Android is a sleep-tracking app that uses sonar contactless tracking and snore detection to record your sleeping patterns. It is compatible with both free and paid options, with the free version offering sleep tracking and the paid version providing in-depth sleep cycle analysis and smart gadget integrations. The app can be used with a phone or with additional devices like wearables and Sleep Phaser.
When using Sleep as Android with a phone, you can choose between sonar or accelerometer for motion tracking. Sonar uses the phone's microphone and speaker for range and movement detection using ultrasound, while the accuracy of the accelerometer depends on how well your bed transmits your movement to the phone. It's important to note that not all phones are compatible with sonar as some cannot produce or capture frequencies above the human hearing range.
Sleep as Android is compatible with various wearables, including Oximeter, Wear OS devices, One UI Watch devices, Samsung Gear/Galaxy Gear, Garmin, Notify for Mi Band and Amazfit, Pebble, and Xiaomi & Mi Fitness. To use the app with a wearable, you need to ensure a proper Bluetooth connection and install any required companion apps.
For heart rate tracking, Sleep as Android can collect HR data from non-compatible wearables or oximeters using Smart Bluetooth. This can be enabled in the settings under Sleep tracking → Wearables → Bluetooth Smart.
Additionally, Sleep as Android has specific instructions for certain devices, such as the Samsung Galaxy Gear, where you need to install the Sleep as Android Gear Addon and disable all battery savers for the app and related services. On Xiaomi/MIUI, special permission is required to allow Sleep as Android to unlock the screen during an alarm.
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Smart alarms
Sleep as Android offers a smart alarm that gradually wakes you up with calming sounds and synchronizes with your sleep cycles. The app uses motion tracking, either through your phone or a connected wearable device, to monitor your sleep patterns. It also features sonar contactless tracking, which uses your phone's speaker and microphone to sense movement and detect your breath rate. This allows for more accurate sleep tracking without the need for additional devices or wearables.
Sleep Cycle also offers a smart alarm feature, with over a dozen soothing sounds to choose from. The app is compatible with both iOS and Android devices and provides a user-friendly interface. While it does not offer detailed explanations or customized advice, it accurately reflects overall sleep quality and provides insights into sleep patterns.
SleepScore is another option that works with both iOS and Android devices. It offers a more uncomplicated interface with detailed recommendations for improving sleep. However, it requires sound wave reflections, which means your phone needs to be positioned correctly.
Pokémon Sleep is a unique app that combines sleep tracking with the Pokémon franchise. It offers smart alarms, relaxing sounds, and audio playback of your sleeping habits. The app incentivizes users to sleep more to discover and catch more Pokémon.
In addition to these apps, there are other smart alarm options available, such as Sleep Monitor, which features an intelligent alarm and sleep stage recording, and SnoreLab, which specializes in snoring detection and logging.
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Comparison to Polysomnography
Sleep as Android is a sleep-tracking app that uses sonar contactless tracking and snore detection to record sleeping patterns. It also allows users to set a smart alarm to synchronize wake-up alarms with gradual noises and calming sounds. The app prioritizes user privacy and does not require users to create an account to access its features.
Polysomnography (PSG) is the gold standard for objective sleep monitoring. PSG typically takes place in a sleep lab, where the participant being monitored wears electrodes on their head to detect and record brain waves. PSG has been the gold standard technique in research laboratories and sleep medicine clinics for over half a century. It is used to determine sleep and wake states, as well as individual sleep stages based on standard criteria. However, PSG is not practical outside the laboratory or clinic due to its high cost, the need for specialized training, and the time burden required to conduct and interpret studies. The recording procedures and equipment are also cumbersome and can be disruptive to sleep.
Sleep as Android, on the other hand, uses contactless tracking through sonar or accelerometers to detect movement and range using ultrasound. It can also use the phone's microphone and speaker for sonar tracking. The accuracy of the data depends on how well the bed can transmit the user's movement to the phone.
While PSG provides the most direct assessment of sleep, consumer sleep-tracking devices like Sleep as Android are becoming more technologically advanced and have shown promising performance in detecting sleep. Most devices performed as well as or better than actigraphy on sleep/wake performance measures. Sleep-tracking devices are more accessible and can be used outside of a laboratory or clinic, making them a potential alternative to PSG.
Further performance testing is needed to validate the use of consumer sleep-tracking devices as alternatives to PSG. However, the advancements in technology and the high performance in detecting sleep show promise for these devices to become valid sleep-tracking tools in the future.
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Frequently asked questions
Motion tracking for Sleep as Android is a way to measure the quality of your sleep by tracking your movement. This can be done using sensors in your phone or a connected wearable device.
Motion tracking with just a phone uses sonar to detect movement. The phone's speaker produces sound waves, which reflect off your body and are picked up by the phone's microphone. This allows the app to track your movement and breathing rate.
For the most accurate results, it is recommended to place your phone on a steady surface, such as a bedside table, pointed towards your body, and at chest level or slightly above.
Yes, you can use a wearable device for motion tracking. If you select this option, the app will not use your phone's sensors. You can pair your wearable device via Bluetooth in the app settings.
Motion tracking with a wearable device, such as a smartwatch, uses direct skin contact to measure your heart rate and motion, providing insights into your sleep and wake patterns.
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