Windows 11 的睡眠模式可让您的 PC 进入空闲状态以节省能源。有时，您可能会发现您的 PC 无法进入此模式并保持开启状态。当您禁用睡眠模式或PC 的电源设置(your PC’s power settings)存在其他问题时，通常会出现此问题。
该问题的其他原因包括混合模式干扰睡眠模式、屏幕保护程序使您的 PC 保持开启状态，以及连接设备（如鼠标）唤醒您的 PC。我们将在本指南中了解如何解决这些问题。
确保启用睡眠模式(Make Sure Sleep Mode Is Enabled)
当您的 Windows 11 PC 无法进入睡眠模式(PC fails to enter sleep mode)时，请检查并确保睡眠模式已打开。您或其他人可能已将其关闭。
您可以使用“设置”(Settings)应用查看 PC 的睡眠设置。
- 按Windows + I打开设置(Settings)。
- 从左侧边栏中选择系统。(System)
- 在右侧窗格中选择电源和电池。(Power & battery)
- 选择屏幕和睡眠(Screen and sleep)选项以展开菜单。
- 为菜单中显示的每个选项设置一个计时器，以便您的 PC 进入睡眠模式。
恢复电源计划的默认设置(Restore Your Power Plan’s Default Settings)
Windows 11 允许您为各种电源计划创建和更改设置。这些计划中错误指定的选项可能会导致您的 PC无法进入睡眠模式(not to enter sleep mode)。
解决此问题的一种方法是将电源计划的设置恢复为默认值。这样做会删除您的自定义选项并将这些选项恢复为出厂值。重置计划后，您可以自定义计划。
- 在您的 PC 上启动控制面板(Launch Control Panel on your PC)。
- 在控制面板中选择硬件和声音(Hardware and Sound)>电源选项。(Power Options)
- 选择当前电源计划旁边的更改计划设置。(Change plan settings)
- 在打开的屏幕上选择恢复此计划的默认设置。(Restore default settings for this plan)
- 在提示中选择Yes以确认您的操作。
关闭 Windows 11 PC 上的混合模式(Turn Off Hybrid Mode on Your Windows 11 PC)
Windows 11 的混合模式将休眠和睡眠模式(hibernation and sleep mode)结合在一起，帮助您节省能源。当您在将 PC 置于睡眠模式时遇到问题时，值得关闭此睡眠组合功能以查看您的问题是否得到解决。
稍后，您可以根据需要激活混合模式。
- 在您的 PC 上打开控制面板。(Control Panel)
- 前往硬件和声音(Hardware and Sound)>电源选项(Power Options)。
- 选择当前电源计划旁边的更改计划设置。(Change plan settings)
- 选择更改高级电源设置(Change advanced power settings)。
- 在打开的窗口中展开睡眠菜单。(Sleep)
- 在Allow hybrid sleep(Allow hybrid sleep)中为On battery和Plugged in选项选择Off。
- 选择应用(Apply)，然后在底部选择确定。(OK)
在您的 PC 上禁用屏幕保护程序(Disable Screen Saver on Your PC)
与之前的版本一样，Windows 11 包括各种屏幕保护程序(various screen savers)。当您在将计算机置于睡眠模式时遇到困难时，禁用这些屏幕保护程序是值得的。
您可以随时重新激活屏幕保护程序。
- 同时按Windows + I打开设置(Settings)。
- 从左侧边栏中选择个性化。(Personalization)
- 在右侧窗格中选择锁定屏幕。(Lock screen)
- 选择屏幕底部的屏幕保护程序。(Screen saver)
- 从屏幕保护程序(Screen saver)下拉菜单中选择（无） 。((None))
- 选择应用(Apply)，然后在窗口底部选择确定。(OK)
使用 Windows 11 的电源疑难解答(Use Windows 11’s Power Troubleshooter)
Windows 11 提供了多个疑难解答程序来帮助您查找和修复(find and fix issues)PC 上的问题。当睡眠模式不起作用时，请使用系统的电源(Power)疑难解答来检测并解决您的问题。
此疑难解答程序在大多数情况下自行运行，因此您无需精通技术即可使用该工具。
- 同时按Windows + I访问设置(Settings)。
- 从左侧边栏中选择系统。(System)
- 在右侧窗格中选择疑难解答。(Troubleshoot)
- 选择其他疑难解答(Other troubleshooter)。
- 在疑难解答屏幕上选择电源(Power)旁边的运行。(Run)
- 等待电源(Power)疑难解答程序检测并修复 PC 电源设置的问题。
禁止设备唤醒您的 Windows 11 系统(Disallow Devices to Wake Up Your Windows 11 System)
Windows 11 无法保持睡眠模式的一个原因是您的连接设备之一正在将系统从睡眠中唤醒。这些设备通常是您的键盘、鼠标和触控板。
您可以通过撤销从这些设备将 PC 从睡眠中唤醒的功能来(revoking the ability to wake your PC from sleep)检查是否属于这种情况。您可以使用PC 上的设备管理器执行此操作。(Device Manager)
- 打开开始(Start)菜单，搜索设备管理器(Device Manager)，然后在搜索结果中选择设备管理器。(Device Manager)
- 展开鼠标和其他指针设备(Mice and other pointing devices)，右键单击鼠标，然后选择属性(Properties)。
- 在“属性”窗口中选择“电源管理”选项卡。(Power Management)
- 取消选中允许此设备唤醒计算机(Allow this device to wake the computer)选项。
- 选择底部的确定。(OK)
- 对键盘和触控板重复上述步骤，但一次一个。
检查您的 Windows 11 PC 是否存在病毒和恶意软件(Check Your Windows 11 PC for Viruses and Malware)
如果您的 Windows 11 电脑在指定时间仍未进入睡眠状态，则您的计算机可能存在病毒或恶意软件。这不太可能，但仍然值得检查。这些威胁通常会在您的 PC 上引起各种随机问题，包括使特定系统功能无法正常工作。
幸运的是，您可以使用Windows 11的内置防病毒工具从您的计算机中查找和删除病毒(find and remove viruses)和恶意软件。(malware)
- 通过打开“开始(Start)”菜单、搜索Windows 安全(Windows Security)并在搜索结果中选择该工具来启动Windows 安全。(Windows Security)
- 在打开的窗口中选择病毒和威胁防护。(Virus & threat protection)
- 选择扫描选项(Scan options)。
- 选择完全扫描(Full scan)并选择立即扫描(Scan now)。
- 等待(Wait)该工具检测并从您的计算机中删除病毒文件。
更新您的 Windows 11 电脑(Update Your Windows 11 PC)
您的系统的核心文件也可能有问题，导致您的 PC 的睡眠模式无法工作。您可以通过将 PC 更新到最新版本来解决此类问题，因为最新版本通常会修复各种现有错误和问题。
您可以免费轻松地更新您的 Windows(update your Windows) 11 计算机，如下所示：
- 同时按Windows + I键打开设置。(Settings)
- 从左侧边栏中选择Windows 更新。(Windows Update)
- 在右侧窗格中选择检查更新。(Check for updates)
- 下载并安装可用的更新。
- 安装更新后重新启动 PC。
如果您在使 PC 进入睡眠模式(problems making your PC enter sleep mode)时遇到问题，请使用上述有效方法来解决您的睡眠模式问题。完成此操作后，您的 PC 将在指定时间进入睡眠模式。
How to Fix Windows 11 Sleep Mode Not Working
Windows 11’s sleep mode brings your PC to an idle state to conserve energy. Sometimeѕ, you may find that your PC fails to enter this mode and remains on. Thiѕ iѕsue usually occurs when you’νe disabled sleep mode or have other problems with your PC’s power settings.
Other causes for the issue include the hybrid mode interfering with sleep mode, a screensaver keeping your PC on, and a connected device like a mouse waking up your PC. We’ll see how to fix these issues in this guide.
Make Sure Sleep Mode Is Enabled
When your Windows 11 PC fails to enter sleep mode, check and ensure sleep mode is turned on. You or someone else may have turned it off.
You can use the Settings app to review your PC’s sleep settings.
- Open Settings by pressing Windows + I.
- Select System from the sidebar on the left.
- Choose Power & battery in the pane on the right.
- Select the Screen and sleep option to expand the menu.
- Set a timer for each option displayed in the menu, so your PC goes to sleep mode.
Restore Your Power Plan’s Default Settings
Windows 11 allows you to create and change settings for various power plans. An incorrectly specified option in these plans may cause your PC not to enter sleep mode.
One way to get around this problem is to restore your power plan’s settings to the default. Doing so erases your customized options and brings those options back to the factory values. You can customize your plans after you’ve reset them.
- Launch Control Panel on your PC.
- Select Hardware and Sound > Power Options in the Control Panel.
- Choose Change plan settings next to your current power plan.
- Select Restore default settings for this plan on the screen that opens.
- Choose Yes in the prompt to confirm your action.
Turn Off Hybrid Mode on Your Windows 11 PC
Windows 11’s hybrid mode brings hibernation and sleep mode together to help you save energy. When you experience problems putting your PC into sleep mode, it’s worth turning off this sleep combination feature to see if your issue gets resolved.
Later, you can activate hybrid mode if you want.
- Open Control Panel on your PC.
- Head to Hardware and Sound > Power Options.
- Select Change plan settings next to your current power plan.
- Choose Change advanced power settings.
- Expand the Sleep menu in the window that opens.
- Select Off for both On battery and Plugged in options in Allow hybrid sleep.
- Choose Apply followed by OK at the bottom.
Disable Screen Saver on Your PC
Like the previous versions, Windows 11 includes various screen savers. It’s worth disabling these screensaver when you face difficulties putting your computer into sleep mode.
You can reactivate your screen savers at any time you want.
- Open Settings by pressing Windows + I at the same time.
- Choose Personalization from the sidebar on the left.
- Select Lock screen on the right pane.
- Choose Screen saver at the bottom of the screen.
- Select (None) from the Screen saver drop-down menu.
- Choose Apply followed by OK at the bottom of the window.
Use Windows 11’s Power Troubleshooter
Windows 11 offers multiple troubleshooters to help find and fix issues on your PC. When sleep mode doesn’t work, use the system’s Power troubleshooter to detect and resolve your problems.
This troubleshooter runs on its own for the most part, so you don’t have to be tech-savvy to use the tool.
- Access Settings by pressing Windows + I simultaneously.
- Select System from the sidebar on the left.
- Choose Troubleshoot in the pane on the right.
- Select Other troubleshooter.
- Select Run next to Power on the troubleshooter screen.
- Wait for the Power troubleshooter to detect and fix issues with your PC’s power settings.
Disallow Devices to Wake Up Your Windows 11 System
One reason Windows 11 fails to remain in sleep mode is that one of your connected devices is waking the system up from sleep. These devices are usually your keyboards, mice, and trackpads.
You can check if this is the case by revoking the ability to wake your PC from sleep from these devices. You can do this using Device Manager on your PC.
- Open the Start menu, search for Device Manager, and select Device Manager in the search results.
- Expand Mice and other pointing devices, right-click your mouse, and choose Properties.
- Select the Power Management tab on the Properties window.
- Uncheck the Allow this device to wake the computer option.
- Select OK at the bottom.
- Repeat the above steps for your keyboard and trackpad, but one at a time.
Check Your Windows 11 PC for Viruses and Malware
If your Windows 11 PC still doesn’t go to sleep at the specified time, your computer might have a virus or malware. It’s unlikely, but still worth checking. These threats often cause various random issues on your PC, including making particular system features dysfunctional.
Luckily, you can use Windows 11’s built-in antivirus tool to find and remove viruses and malware from your computer.
- Launch Windows Security by opening the Start menu, searching for Windows Security, and selecting the tool in the search results.
- Choose Virus & threat protection on the window that opens.
- Select Scan options.
- Choose Full scan and select Scan now.
- Wait for the tool to detect and remove virus files from your computer.
Update Your Windows 11 PC
It’s also possible your system’s core files have a problem, causing your PC’s sleep mode not to work. You can fix issues like this by updating your PC to the latest version, as the newest version often offers fixes for various existing bugs and issues.
You can update your Windows 11 computer for free and with ease, as follows:
- Open Settings by pressing Windows + I keys simultaneously.
- Choose Windows Update from the left sidebar.
- Select Check for updates on the right pane.
- Download and install the available updates.
- Restart your PC when you’ve installed the updates.
If you ever experience problems making your PC enter sleep mode, use the effective methods outlined above to resolve your sleep mode issues. Once you’ve done that, your PC will enter sleep mode right at the specified time.
