TheApple Watchhas long been a popular fitness tracker, but it wasn’t until watchOS 7 in 2020 that Apple introduced sleep tracking features. Now, sleep tracking is a large part of the Apple Watch’s wide range of health features. With watchOS 9, Apple finally added the ability to track sleep stages.

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However, the device’s sleep features extend beyond telling you how often you wake up. The sleep settings can also help you wind down at the end of the day and keep notifications from waking you up. Like other health tracking features, while the tracking happens on the Apple Watch, you can also use the iPhone’s larger screen to read more in-depth data.

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In order totrack your sleep with Apple Watch, you need to put your device into theSleep Focus. It’s then a little tricky to find the data once it is gathered, but don’t worry, we’ve got you covered. Here’s how to read and find your Apple Watch sleep data.

Apple Watch Series 9

Unlike the more affordable SE, the Apple Watch Series 9 has an ECG and temperature sensing, along with updates on-device Siri and Precision FInding.

How to enable sleep mode on Apple Watch

Activating the Sleep App is the first step

Before you’re able to track your sleep on an Apple Watch, you first need to set up the Sleep app. This program is not only responsible for tracking your sleep, but also ensures that your smartwatch doesn’t disturb your sleep with notifications or a bright screen. You can do this from the smartwatch, but the larger iPhone screen is often an easier way to walk through the setup.

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How to view Apple Watch sleep data on iPhone

The larger screen of the iPhone can make viewing sleep data easier

You can read and view sleep data from your Apple Watch on either the Watch itself, or on youriPhone. For the latter, follow the steps below:

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How to check sleep data on your Apple Watch

It’s possible to view your sleep data on your Apple Watch but you won’t be able to see as much detail as you’re able to with your iPhone. You will only be able to view the previous night’s data rather than an entire week or month, for example.

To read your sleep data on Apple Watch, follow these instructions:

apple watch on gradient pink and purple background

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How accurate is Apple Watch sleep data?

In our testing, we’ve found theApple Watch Series 8sleep data to be pretty much what we would expect in terms of time asleep and times when we woke up. Naturally, it’s difficult to determine the accuracy of the stages, though REM sleep is known to be when you are dreaming and we did find that the data presented appeared to correlate with what we had experienced if we had woken up following a dream.

We’ve got anentire feature on sleep tracking and what the data means. In a nutshell, your body dips in and out of four stages throughout the night: Awake, light, deep and REM.

A photo of an iPhone showing sleep data

Your body needs a combination of all these stages to recover, rebuild and leave you feeling rested when you wake up. Light is said to strengthen memory and learning, while deep helps with physical recovery and REM is said to help with strategic thinking and creativity.

What Apple Watch models offer sleep tracking?

All Apple Watch models from the Series 3 and later offer basic sleep tracking, but you’ll need an Apple Watch Series 4 or later to take advantage of the more advanced sleep tracking on Apple Watch, as you’ll needwatchOS 9and the Watch Series 3 isn’t compatible with watchOS 9.

For sleep tracking with sleep stages, you’ll need one of these models:

An Apple Watch Ultra 2 resting on rocks.

Apple Watch SE (2022)

Apple’s entry-level watch is an absolute star, with excellent features and top-notch fitness tracking at a very reasonable price.

apple watch sleep tracking