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Note: Huawei's stress detection technology works based on HRV (heart rate variability) to
sense the activity of sympathetic and parasympathetic nerves and to estimate your stress status
and degree based on the corresponding stress calculation model. Huawei's stress testing
technology is jointly developed by Huawei and the Institute of Psychology of the Chinese
Academy of Sciences, and has passed the authoritative test certification by the Institute of
Psychology of the Chinese Academy of Sciences.
When using this function for the first time, you need to complete 10 psychological questions
in a questionnaire. To ensure the accuracy of the test result, you need to read the questions
carefully and answer truthfully. In addition, you are advised to pay attention to the upward
and downward trend of pressure to control your pressure and avoid an impact on your health.
Your watch is not a medical device, and the test results and suggestions are for reference only.
6.4 How to get more accurate sleep data
Your watch determines your sleep status by detecting your wrist movement when you are
asleep. As a result, sleeping data recorded may vary with wearing habits and individual
activities. If the sleep data is inaccurate, it is recommended that you wear your device at the
back of your wrist. Do not place your watch over the bone in your wrist, as this may result in
you wearing the device incorrectly as well as inaccurate sleep data. When you are not using
your wearable device for a while, turn it onto its side and place it on a flat surface to minimize
any inaccurate sleep data being recorded. Power off your wearable device if you do not use it
for a long time.
1. Missing sleep data
This could be because there is too much wrist movement when you were asleep so that your
watch does not recognize that you are sleeping. As a result, no sleep data was recorded. It is
recommended that you wear the watch on your non-dominant hand while sleeping (on your
left hand if you are right-handed).
If your lunchtime nap is less than 30 minutes, or you have moved a lot during the nap, your
watch may not be able to detect this sleep time, and will not record this sleep data.
If you are wearing the watch too loosely while HUAWEI TruSleep
TM
is enabled, sleep data
may not be recorded. Ensure that you wear the device that is fastened correctly.
If you are traveling and sleeping on modes of transportation such as a metro, bus, or train, the
acceleration or jerky movements onboard the vehicle may affect the sleep data.
2. Increase in sleep data when wearing the watch
When the wearable device detects minimal wrist movements similar to those while you are
asleep, these movements will be incorrectly recorded as you being asleep, even if you are
awake at the time. For example, you may not move around much when you watch TV or use
your tablet. During this time, the wearable device may think that you are sleeping and
incorrectly record these movements as sleep data.
If you do not perform any operations on the device screen for a period of time or do not move,
the device may still be in Sleep mode.
3. Increase in sleep data when not wearing the watch
Your watch determines whether it is being worn using its built-in PPG sensor, which reflects
light off your skin. The built-in sensor in the wearable device usually detects light reflected
from human skin at different wavelengths. When the wearable device is placed on surfaces
HONOR MagicWatch 2
User Guide
6 FAQs
Issue 01 (2019-11-26) Copyright © Huawei Technologies Co., Ltd. 44
48


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