To set this up directly on your watch, go to Settings > Noise. Tap the option
for Environmental Sound Measurements, and turn on the switch for Measure
Sounds. Go back to the previous screen, and tap the option for Noise
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TRACK YOUR SLEEP
Third-party sleep-tracking apps have long been available for the Apple Watch,
but with watchOS 7, Apple introduced its own built-in sleep tracker. The new
app can determine how much time you’re actually asleep. It can also help you
try to get better sleep by analyzing your nighttime schedule, and it can show
your sleeping pattern over an extended period of time.
To set this up, open the Health app on your iPhone. Swipe down the Summary
screen and tap the Get Started button for Set Up Sleep. The next screen explains
how the app tries to help your sleep. Next, set a goal for the number of hours
you’d like to sleep. Set your bedtime and wake time and the days active. You can
also add an alarm.
You can enable Sleep Mode to automatically turn on Do Not Disturb at your
bedtime. Another mode called Wind Down eliminates distractions at a certain
number of minutes before bedtime. You can also turn on sleep tracking directly
from the Sleep app on your watch. Then just wear your watch to bed. Check the
sleep data on your iPhone the next morning to see how much sleep you got.