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app, click in the upper right corner of Home page > tap Sleep > Regularity >
Sleep Schedule to complete settings.
Assisted Sleep Monitoring
Open the Sleep app, swipe down to the last page, and go to sleep settings to enable assisted
sleep monitoring. If the system detects that you are wearing the device during sleep, it will
automatically record more sleep data, such as REM sleep stages.
Sleep Breathing Quality Monitoring
Open the Sleep app, swipe down to the last page, and go to sleep settings to enable sleep
breathing quality monitoring. If the system detects that you are wearing the device during
sleep, it will automatically monitor your breathing quality to help you better understand your
sleep status.
When the phone and watch are connected, the assisted sleep monitoring and sleep breathing
quality monitoring settings can also be accessed in the Zepp app under Profile > Amazfit GTR
4 > Health Monitoring>Sleep > Sleep breathing quality monitoring.
PAI
PAI is used to measure a person's physiological activity and reflect overall physical condition.
It is calculated based on a person's BMP, the intensity of daily activities, and physiological
data.
Wake up the watch, press the button on the watch face page to go to the app list, and swipe up
or down on the screen to select and open the PAI app. In the PAI app on the watch, you can
view information such as your PAI score in the past seven days and today's PAI score.
Synchronize the data to the app to view more information. Setting the PAI app as a quick
access app allows you to easily view your PAI score.
By maintaining a certain intensity of daily activities or workouts, you can obtain your PAI
score. According to the results of the HUNT Fitness Study*, maintaining a PAI above 100
helps reduce the risk of cardiovascular death and increase life expectancy. For more
information, open the Zepp app and go to > PAI > PAI Q&A.
* The HUNT Fitness Study is a sub-project of the HUNT study, led by Professor Ulrik
Wisloff at the School of Medicine, Norwegian University of Science and Technology. It has
lasted over 35 years and involved more than 230,000 participants.
Heart rate
Heart rate is an important indicator of physical condition. Highly-frequent heart rate
measurement helps capture more heart rate changes and provide a reference for a healthy
lifestyle. To ensure measurement accuracy, you need to wear the watch correctly according to
the tips, and ensure that the part next to your skin is clean and free of sunscreen smear.
Wake up the watch, press the button on the watch face page to go to the app list, and swipe up
or down on the screen to select and open the Heart Rate app. In the Heart Rate app on the
watch, you can view your most recently measured heart rate value, all-day heart rate curve,
resting heart rate, heart rate interval distribution and other information. Synchronize the data
to the app to view more information. Setting the Heart Rate app as a quick access app allows
you to easily measure your heart rate.
When the phone and watch are connected, the following heart rate settings can also be
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