戴着 Apple Watch 睡觉却发现它无法追踪你的睡眠，这真是令人沮丧。这个问题可能会随机出现，似乎没有任何原因。以下是一些让它再次运行的提示。
睡眠跟踪是 Apple Watch 的可选功能，因此您需要将其打开才能使用。使用手表上的睡眠应用程序（轻按“使用此手表进行睡眠”）或在“手表”>“睡眠”下设置 Apple Watch 上的睡眠跟踪。睡在你的 iPhone 上。
如果您遇到问题并且已启用该功能，您可以将其关闭然后再次打开，看看是否有帮助。关闭“手表”>“使用 Apple Watch 跟踪睡眠”开关。让 iPhone 进入睡眠状态，然后再次将其打开。
您可能还想查看“健康”>“睡眠>数据源和访问，确保您的 Apple Watch 被列为数据源。如果不是，请继续阅读以寻求解决方法。
理论上，您只需打开该功能并设置睡眠时间表即可使用 Apple Watch 跟踪睡眠。这可以有效地告诉您的 Apple Watch 您何时要上床睡觉，以便它可以监测您的生命体征并检测睡眠阶段。
在您的 iPhone 上，导航至“健康”>睡觉并点击“您的日程安排”部分下的“完整日程安排和选项”。设置“就寝时间”和“起床时间”，然后选择一周中您想要保留该时间表的日子。决定是否需要闹钟。
确保您制定涵盖一周中每一天的睡眠时间表。因此，如果您通常在工作日早上 7 点被闹钟叫醒，并且喜欢在周末睡懒觉，请制定一个单独的时间表，仅适用于周末不闹钟。
如果您注意到周末的睡眠数据存在差距，可能是因为您只设置了适用于工作日的睡眠时间表。
关闭然后再次打开功能可以帮助解决问题，因此，如果您确定已正确设置睡眠时间表并且您的手表仍然缺少天数，则可能值得重置一切。
走向健康>睡眠>显示所有睡眠时间表并通过向左滑动每个时间表来删除您的时间表。现在，在“健康”>“健康”下再次设置该功能。睡眠>完整的时间表和选项，确保涵盖一周中的每一天。
这可能会有所帮助，但您还应该......
当我有一天晚上关闭睡眠焦点时，我的手表随机没有记录我的睡眠。苹果自己的支持文件指出：“Apple Watch 根据您创建的睡眠时间表跟踪您的睡眠”，但还指出“当您的 Sleep Focus 启动时，Apple Watch 也可以跟踪您的睡眠。”
The fix is to make sure that Sleep Focus engages with your sleep schedule, at least that’s what seems to have worked for me. You can mirror your sleep schedule as a Focus mode under Health > Sleep > Full Schedule & Options using the “Use Schedule for Sleep Focus” toggle.
Alternatively, you can go to Settings > Focus > Sleep and tap “Schedule” to set your own time. When your alarm goes off in the morning, the Sleep Focus will be disabled. If you have no alarm set, you’ll need to disable Sleep Focus on your Apple Watch using Control Center (tap the Side button once, then tap the “Bed” icon).
There’s a lot of anecdotal evidence online that enabling Sleep Focus seems to help resolve issues with the Apple Watch recording sleep. One Reddit commenter cites this as a fix for the Apple Watch not showing up as a data source, while another Apple Support Communities member claims that Sleep Focus is necessary for their Watch to record sleep.
Like your sleep schedule, make sure this Focus mode is set to enable every day of the week.
On your iPhone navigate to Health > Sleep > Data Sources & Access. You should see a list of apps and devices under “Data Sources” that are used to track your sleep. Whatever is at the top takes priority over anything beneath it.
You can reorder and disable sources so that your Apple Watch is at the top of the list and any apps that may be interfering are disabled. You might also want to disable your iPhone as a data source, though I can say that my iPhone is enabled and doesn’t seem to affect my Apple Watch’s ability to track sleep.
To make changes, you’ll need to tap “Edit” at the top of the “Data Sources & Access” screen. You can then tap a source to disable it, or tap and drag (using the horizontal lines) to reorder. Place your Apple Watch at the top of the stack, then hit “Done.”
You don’t need me to tell you to get more than four hours of sleep per night, but the same goes for your Apple Watch. The wearable needs to record at least four hours of sleep each night to track your sleep and have it appear in the Health app.
One night I went to bed without enough charge (Apple recommends 30% to see you through the night) and I woke up to a dead Apple Watch. This meant that my sleep data wasn’t recorded. Maybe the Watch died before I met the prerequisite of four hours of sleep, or maybe the data is lost if Sleep Focus doesn’t turn off "cleanly" in the morning.
Whatever the reason, make sure you head to bed with enough charge to see you through the night. A quick blast on the charger before bed should be enough to top up the battery.
Sometimes, communication breaks down between your devices. Software bugs and glitches stop processes from running. This is true of any devices, including your iPhone and Apple Watch. The remedy is to turn both devices off and on again.
Press and hold the Side button on your Watch until you see the power icon in the top-right corner. Tap it, then use the “Power Off” slider to turn your Watch off. Press and hold the Side button again to turn your Watch on.
You can ask Siri to restart your iPhone for you, or you can press and hold the Side and Volume Up or Volume Down button until you see the “Slide to power off” slider (then press and hold the Side button to turn it back on). Once both devices are back on, unlock both of them.
“核心”选项是取消与您的 Apple Watch 的配对，然后重新配对。这可以有效地重置您的 Apple Watch，并可能解决睡眠跟踪或其他活动方面的任何持续问题。您需要重新设置 Watch，包括您添加的任何 Apple Pay 或交通卡。
为此，请在 iPhone 上启动 Watch 应用，然后点击左上角的“所有手表”。找到您用于睡眠跟踪的 Apple Watch，轻点“i”按钮并选择“取消配对 Apple Watch”，然后按照说明进行操作。
您需要通过点击同一屏幕上的“添加手表”来重新设置手表，然后将相机指向 Apple Watch 上显示的配对模式。
睡眠追踪只是您应该使用的 Apple Watch 功能之一。如果您是 Apple 可穿戴设备的新手，请务必了解我们的 Apple Watch 提示和技巧。
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