
The Apple Watch is a powerful sleep-tracking device that can help you gain insight into your sleeping habits. To track your sleep, you need to enable the Sleep or “Sleep Focus” feature on your Apple Watch and wear it to bed. The watch will then automatically detect when you're sleeping and track your sleep duration and stages, including REM, core, and deep sleep. You can view your sleep data on the Sleep app on your watch or in the Health app on your iPhone, where you can also adjust your sleep schedule and goals. While sleep tracking is available on all Apple Watch models, older versions with a blood oxygen sensor may provide slightly more accurate data.
| Characteristics | Values |
|---|---|
| How to track sleep | Wear Apple Watch to bed and ensure it is unlocked. If you have a passcode, turn on wrist detection. |
| Track sleep with Apple Watch | Turn on in the Watch app on your iPhone. |
| Sleep schedule | Set your sleep schedule in the Sleep app on your Apple Watch or in the Health app on your iPhone. |
| Sleep data | View in the Health app on your iPhone or in the Sleep app on your Apple Watch. |
| Sleep history | View in the Health app on your iPhone. |
| Sleep analysis | View the time and percentage spent awake or in REM, core, or deep sleep. |
| Respiratory rate | Measure and track with Apple Watch Series 3 or later with watchOS 8. |
| Charging reminders | Turn on in the Watch app on your iPhone. |
| Sleep Focus | Set up in the Settings app. |
| Sleep notifications | Set up in the Settings app. |
| Sleep screen | Customize in the Settings app. |
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What You'll Learn

How to set up sleep tracking on the Apple Watch
Sleep tracking is available on Apple Watch Series 3 or later with watchOS 8 or later. To set up sleep tracking on the Apple Watch, follow these steps:
First, make sure your Apple Watch is paired with your iPhone. If you have already set up your Apple Watch, go to the Watch app on your iPhone, tap the 'My Watch' tab, then tap 'Sleep'. From here, you can turn on 'Track Sleep with Apple Watch'. If you have set up Sleep prior to pairing your Apple Watch, you can still enable sleep tracking by following the same steps.
Next, you can adjust your wind-down and sleep goal on your iPhone or Apple Watch. Open the Health app, tap ''Browse' at the bottom of the screen, then tap 'Sleep'. If you have Sleep saved to your Favorites list, you can access it from the Summary page in the Health app. Tap 'Full Schedule & Options', then tap 'Wind Down' or 'Sleep Goal' under 'Additional Details'. Adjust your time, then tap to save your changes.
Now, you can set up your Sleep Focus, which is optional but gives you access to specialised home screens and notification settings that will turn on at bedtime. You can also set up multiple sleep schedules, for example, one for weekdays and another for weekends. To do this, go to the Sleep app on your Apple Watch and follow the on-screen instructions. Alternatively, open the Health app on your iPhone, tap 'Browse', tap 'Sleep', then tap 'Get Started' below 'Set Up Sleep'.
Finally, wear your Apple Watch to bed! Make sure your watch is unlocked and, if you have a passcode, ensure that wrist detection is turned on. Your Apple Watch will use your sleep schedule or Sleep Focus to detect when you are sleeping and will automatically track your sleep. You can view your sleep data on your watch by scrolling down from the main watch face or in the Sleep section of the Health app on your iPhone.
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How to view sleep data on the iPhone
To view your sleep data on your iPhone, you'll need to use the Health app. This can be used in conjunction with the Sleep app on your Apple Watch.
First, make sure you've set up the Sleep app on your Apple Watch. This will allow you to track your sleep and ensure that your watch doesn't disturb you with notifications or a bright screen while you're sleeping.
Then, open the Health app on your iPhone. Tap on the "Browse" tab, scroll down, and select "Sleep". You can then tap on "D", "W", "M", or "6M" to view your sleep data for the day, week, month, or six months. You can also tap "Show More Sleep Data" to see the time spent in each sleep stage.
You can also use third-party apps to track your sleep, such as AutoSleep or Sleep++. These apps offer additional features, such as the ability to set smart alarms and view your sleep history.
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How to view sleep data on the Apple Watch
To view your sleep data on the Apple Watch, you need to first ensure that sleep tracking is enabled. To do this, open the Health app on your iPhone or iPad and tap Browse at the bottom of the screen. Then, tap Sleep and Get Started (below Set Up Sleep). You can also access this by going to the Sleep app on your Apple Watch and following the onscreen instructions.
Once sleep tracking is enabled, wear your Apple Watch to bed. It is recommended that you wear your Apple Watch for at least one hour each night to ensure that your sleep data is recorded. Make sure your Apple Watch is charged to at least 30% before bed, as you will need sufficient battery life to track your sleep.
After wearing your Apple Watch to bed, you can view your sleep data by opening the Sleep app on your watch. Turn the Digital Crown to view your sleep stages, time asleep, and your sleep duration for the last 14 days. You can also open the Health app on your iPhone or iPad to view your sleep history. Tap Browse at the bottom of the screen, then tap Sleep. You can view the average time you spent in each sleep stage by tapping Show More Sleep Data.
Your sleep data will show your sleep stages, with deep sleep at the bottom in purple, "core" (light) sleep in the middle in blue, REM in lighter blue, and awake in orange at the top. The app will also display your heart rate during the night and your sleep trend, showing whether you are getting more or less sleep than in the past.
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How to set up sleep schedules and reminders
To set up sleep schedules and reminders on your iPhone and Apple Watch, follow these steps:
First, open the Health app on your iPhone. Tap "Browse" at the bottom of the screen, then tap "Sleep". If you don't see "Sleep" as an option, tap "Customize Focus" at the top right, then tap "Sleep".
Next, you'll be prompted to set up a Sleep Focus mode, but you can skip this if you prefer. You can always set it up later by going to Settings > Focus on your iPhone.
Now, set your sleep goal and create a customized sleep schedule. Tap "Get Started" under "Set Up Sleep", then tap "Next". Set the number of hours you'd like to sleep each night, and your standard sleep and wake-up goals.
If you only want this schedule to apply on certain days of the week, tap "Every Day", then uncheck the days you want to exclude. Tap the time under "Wake Up" or "Bedtime", then turn the Digital Crown to adjust the time. Tap the checkmark to save.
You can also turn on an alarm, and adjust the sound, vibration type, and haptics to your preference. Tap "Alarm" to turn it on or off, and tap "Sound & Haptics" to make your adjustments.
To receive sleep data, make sure to enable "Track Sleep with Apple Watch". Wear your Apple Watch to bed, ensuring it fits comfortably. If it's too loose, the accelerometer may register too much movement during your natural sleep.
You can also enable "Charging Reminders" to remind you to charge your Apple Watch before your Wind Down time. To do this, open the Watch app on your iPhone, tap the "My Watch" tab, tap "Sleep", then turn on "Charging Reminders".
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How to improve sleep tracking accuracy
To improve the accuracy of sleep tracking on your iPhone and Apple Watch, follow these steps:
Firstly, ensure that you have set up sleep tracking on your Apple Watch. During the initial setup of your Apple Watch, you can choose to track your sleep by wearing your watch to bed. If you did not enable this during the initial setup, you can still turn on "Track Sleep with Apple Watch" later. To do this, open the Health app on your iPhone, tap "Browse" at the bottom of the screen, and then tap "Sleep". From here, you can view data on recent nights of sleep and set your sleep schedule.
Next, make sure that your Apple Watch is charged to at least 30% before you go to bed, and that you wear it for at least one hour each night. If you don't wear your watch to sleep, your graph might not show any data.
To get the most accurate results, turn on "Charging Reminders" so that your watch can notify you to charge it before bedtime if your battery is low. You can also set up your "Sleep Focus", which is optional but gives you access to specialised home screens and notification settings that will turn on at bedtime.
Additionally, you can use third-party apps like SleepSpace to improve the accuracy of your sleep tracking. SleepSpace uses high-resolution tracking mode to more accurately measure your sleep, heart rate, and pulse oxygenation. It also provides biofeedback, which can help promote relaxation and deeper sleep.
It is important to note that no wearable device will be completely accurate when it comes to sleep stages, but by following these steps, you can improve the accuracy of your sleep tracking on your iPhone and Apple Watch.
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Frequently asked questions
To track your sleep on your iPhone Watch, you need to enable "Track Sleep with Apple Watch" in the Watch app on your iPhone. Then, wear your watch to bed. The watch will automatically measure and record the number of times you breathe in a minute and use your movements and phone use to detect whether you're sleeping.
To view your sleep data on your iPhone, open the Health app and tap Browse at the bottom of the screen. Then, tap Sleep. You can view the time and percentage you spent awake or in REM, core, or deep sleep.
To set up sleep tracking on your iPhone Watch, go to the Apple Watch app on your iPhone and hit the Sleep tab. Toggle the slider for "Track Sleep with Apple Watch". Then, set your wake-up time and turn on the alarm.
While the iPhone Watch can provide insights into your sleeping habits, it is not a medical device. It does not measure brain electrical activity, so don't rely too much on the data it provides about sleep stages.
Yes, you can use third-party apps such as Sleep Cycle to track your sleep on the iPhone Watch. To install the Sleep Cycle app, open the My Watch tab on your iPhone and scroll down to find the available apps. Install Sleep Cycle and make sure to enable the "Show app on Apple Watch" toggle.






































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