Sleep Tracking: Polar A370's Smart Features And Benefits

The Polar A370 is a fitness-tracking wristband that offers 24/7 heart rate tracking and sleep tracking. It is designed to be worn all day and night and is waterproof up to 30m. The A370 uses Polar's new 'Sleep Plus' technology to track sleep. It detects when the wearer falls asleep and wakes up and observes hand movements during the night to track interruptions. This data is collected for deeper analysis in the Polar Flow app and web service, where users can also set their preferred sleep times and rate their sleep.

Polar A370 tracks sleep using Sleep Plus technology

The Polar A370 is a fitness-tracking wristband that offers continuous heart-rate monitoring, connected GPS, and a new sleep-tracking tool called Sleep Plus technology. The A370 is designed to be worn all day and night and can even be worn in the shower. It is a more affordable option than Polar's previous bands and other fitness trackers on the market, such as the Garmin Forerunner 35 and Fitbit Charge 2.

Sleep Plus technology in the A370 tracks your sleep by detecting when you fall asleep and wake up, and it collects this data for deeper analysis in the Polar Flow app and web service. The A370 observes your hand movement during the night to track all interruptions and tells you how much time you actually spent asleep. This data is then presented in the Flow app and web service in one-night and week views. In the web service, you can view your sleep under the "Sleep" tab in your "Diary" and include your sleep data in "Activity Reports" under the "Progress" tab.

The Polar Flow app allows you to set your preferred sleep time, which defines how long you aim to sleep every night. You can also rate your sleep in the app, and the A370 will provide feedback on your sleep based on your sleep data, preferred sleep time, and rating. This feedback includes your lowest heart rate during sleep, which can be especially useful for people with sleep disorders or heart problems.

While the A370 provides deeper sleep insights than its predecessor, the A360, it still falls short compared to other sleep-tracking apps and devices on the market. For example, Fitbit's app includes data on REM versus light sleep, which the Polar Sleep Plus does not. Additionally, the post-sleep insights provided by the A370 are considered lacking by some users, who feel that the insights rely too much on their own feedback.

It detects sleep and wake times

The Polar A370 is a fitness-tracking wristband that can be worn all day and night to track your sleep. It uses Polar's new 'Sleep Plus' technology to detect when you fall asleep and when you wake up. It does this by observing your hand movements during the night and tracking all interruptions to your sleep. This data is then collected and analysed in the Polar Flow app and web service. Here, you can view your sleep data in one-night and week views, and receive feedback on your sleep based on your data, your preferred sleep time, and your sleep rating.

The A370 is an improvement on its predecessor, the A360, which did not have all-day heart rate sampling. The A370 takes a sample of your heart rate every five minutes throughout the day, and this increases to once per second when you are in a workout. This feature can be switched on or off, but when it is on, you will be able to see graphs of your heart rate throughout the day, including your lowest heart rate during sleep.

The A370 is a stylish watch with a bright, full-colour touch screen, and it has a more traditional watch buckle than the A360, making it easier to put on. It is waterproof up to 30 metres, and it supports phone notifications from any app. It is a good option for anyone who wants a fitness band that can track their exercise and sleep without too much fuss.

However, the A370 has been criticised for its micro USB port, which has a removable cap that can be easily lost. Additionally, while it is waterproof, it is not recommended to submerge the watch with the port exposed. The sleep insights provided by the A370 have also been described as "bare-bones" and "lacking", as they rely too much on user feedback and do not include data on REM versus light sleep like some other apps.

It syncs with the Polar Flow app

The Polar A370 syncs with the Polar Flow app to provide deeper insights into your sleep patterns. To sync the tracker with the app, press and hold the side button on the A370. This is the same button you use to pause or end a workout. The A370 will then sync your sleep data, including the time you fell asleep and woke up, as well as any interruptions to your sleep throughout the night. This data is then displayed in the Flow app, where you can view it in one-night and week views. You can also set your preferred sleep time in the app, which will help you define how long you aim to sleep every night.

The Polar Flow app also allows you to rate your sleep and receive feedback based on your sleep data, preferred sleep time, and sleep rating. This feedback can provide guidance on how to improve your sleep quality and duration. The app also includes an in-app sleep-continuity rating, which tells you how many times you woke up during the night. This can be helpful in identifying any patterns or issues with your sleep.

In addition to sleep tracking, the Polar Flow app also offers other features such as phone notifications from any app, alarms, and messages encouraging you to move. These notifications are accompanied by a strong vibration, which will definitely wake you up if you're asleep. The app also provides all-day graphs and a feed that breaks down your daily activity, including your heart rate and workout data.

The Polar Flow app is designed to work seamlessly with the Polar A370, providing a comprehensive view of your sleep and activity data. By syncing the two, you can gain valuable insights into your sleep patterns and make any necessary adjustments to improve your sleep quality and overall health.

It offers deeper sleep insights

The Polar A370 offers deeper sleep insights by tracking your sleep patterns and providing feedback. The device uses Polar's new 'Sleep Plus' technology to detect when you fall asleep and wake up, and it tracks your hand movements during the night to identify interruptions. This data is then synced to the Polar Flow app, where you can view your sleep duration and a breakdown of your sleep patterns over the night and week. The app also allows you to set your preferred sleep time, enabling you to define your sleep goals.

The A370's continuous heart-rate monitoring feature further enhances sleep insights. The device tracks your heart rate throughout the day and night, providing graphs that show your highest and lowest heart rate during sleep. This data can indicate the quality of rest you're getting, as heart rate during sleep can provide valuable information about your sleep quality. The A370 also provides an in-app sleep continuity rating, showing how many times you woke up during the night.

While the Polar A370 offers deeper sleep insights, some reviews suggest that the post-sleep insights could be improved. Compared to competitors like Fitbit, Polar's insights rely more on user feedback, and some users have noted that the insights provided are not as comprehensive as those offered by other sleep-tracking apps.

However, the A370's sleep-tracking capabilities are still a significant improvement over its predecessor, the A360, which did not have all-day heart rate sampling. The A370's combination of sleep tracking and heart rate monitoring provides a more holistic view of your sleep patterns and quality, allowing you to better understand your sleep habits and make informed adjustments for improved sleep hygiene and overall wellness.

It has continuous heart-rate tracking

The Polar A370 is a fitness-tracking wristband that offers continuous heart-rate tracking. This means that it can monitor your heart rate throughout the day and night, providing you with valuable insights into your heart health and fitness. The tracker takes a sample of your heart rate every five minutes when you're not exercising, and this increases to once per second when you're in a workout. This feature can be switched on or off as per your preference.

The continuous heart-rate tracking on the Polar A370 provides users with detailed data and graphs showing their highest and lowest heart rates during the day and night. This information can help individuals understand the intensity of their workouts and track their fitness progress. Additionally, monitoring heart rate during sleep can provide insights into the quality of rest one is getting. The tracker's ability to record the lowest heart rate during sleep can be particularly useful for individuals with sleep disorders or heart problems.

The Polar A370's heart-rate tracking feature also allows for personalised daily workout guidance. By monitoring your heart rate continuously, the device can provide tailored recommendations and feedback to help you optimise your exercise routines and improve your overall performance. This makes the Polar A370 a versatile tool for individuals who want to track their fitness and health, offering guidance that is specific to their body and lifestyle.

While the Polar A370 offers continuous heart-rate tracking, it is important to note that the device is not intended to be a medical device. Therefore, the heart-rate data provided should be used as a guide, and individuals should consult with healthcare professionals for specific medical advice or concerns. The tracker is designed to be worn all day and all night, even in the shower, making it a convenient way to monitor your heart rate consistently.

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