在这篇文章中，我们将向您展示如何在 Firefox 浏览器中启用或禁用 Tab Sleep 功能^{(enable or disable the Tab Sleep feature in the Firefox browser)}。打开此功能后，Firefox会将非活动标签（您有几分钟未访问的标签）置于睡眠模式或暂停这些标签。这很有帮助，这样选项卡就不会不必要地占用系统资源或内存。每当您访问任何非活动选项卡时，这些选项卡都会被唤醒或通过刷新恢复到活动模式。如果您觉得这个功能没有用，您可以使用一些简单的步骤来禁用它。

在Firefox浏览器中启用或禁用Tab Sleep

Microsoft Edge还带有类似的功能，可以启用或禁用睡眠标签并自动挂起标签^{(enable or disable sleeping tabs and automatically suspend tabs)}。那些使用Firefox浏览器的人可以尝试这个内置选项，在不使用时自动挂起Firefox选项卡或禁用该功能。以下是步骤：

1. 打开火狐浏览器
2. 访问高级首选项^{(Advanced Preferences)}页面
3. 搜索browser.tabs.unloadOnLowMemory首选项
4. 将其值设置为false以禁用选项卡睡眠。

首先，使用搜索^(Search)框或您喜欢的其他方式打开Firefox浏览器。^(Firefox)

现在访问“高级首选项”^{(Advanced Preferences)}页面。为此，请在地址栏中键入about:config，然后按Enter键。您将看到“小心谨慎”^{(Proceed with Caution)}警告消息。在那里，单击接受风险并继续^{(Accept the Risk and Continue)}按钮，将打开高级首选项^{(Advanced Preferences)}页面。

现在使用搜索框并输入browser.tabs.unloadOnLowMemory。当此首选项可见时，双击它以将其值设置为 false。

就是这样！您已在Firefox浏览器中禁用标签睡眠功能。

现在，每当您使用太多选项卡并且某些选项卡在几分钟内无法访问时，Firefox就不会自动挂起这些空闲选项卡。

要在Firefox^(Firefox)中打开或启用标签睡眠，只需按照上述所有步骤，并将tabs.unloadOnLowMemory^{(set tabs.unloadOnLowMemory)}首选项值设置为 true。

希望它会有所帮助。

相关阅读：^{(Related reads:)}

• 禁用睡眠标签并阻止 Chrome 刷新标签^{(Disable Sleeping Tabs and stop Chrome from refreshing Tabs)}
• 在 Microsoft Edge 中启用或禁用睡眠标签并自动暂停标签^{(Enable or Disable Sleeping Tabs and automatically suspend tabs in Microsoft Edge)}
• 如何在 Opera 中启用或禁用 Tab Snoozing^{(How to enable or disable Tab Snoozing in the Opera)}。

Enable or Disable Tab Sleep feature in Firefox browser

In this post, wе will show you how you can enable or disable the Tab Sleep feature in the Firefox browser. When this feature is turned on, then Firefox puts inactive tabs (that you haven’t accessed for minutes) to sleep mode or suspends those tabs. That is helpful so that tabs won’t occupy system resources or memory unnecessarily. Whenever you access any of the inactive tabs, those are awakened or bring back to the active mode with a refresh. If you don’t find this feature useful, you can simply disable it using some simple steps.

Enable or disable Tab Sleep in Firefox browser

Microsoft Edge also comes with a similar feature to enable or disable sleeping tabs and automatically suspend tabs. Those who use the Firefox browser can try this built-in option to automatically suspend Firefox tabs when not in use or disable that feature. Here are the steps:

1. Open Firefox browser
2. Access the Advanced Preferences page
3. Search for browser.tabs.unloadOnLowMemory preference
4. Set its value to false to disable tab sleep.

At first, open the Firefox browser using the Search box or some other way you prefer.

Now access the Advanced Preferences page. For this, type about:config in the address bar, and press the Enter key. You will see a Proceed with Caution warning message. There, click on Accept the Risk and Continue button and Advanced Preferences page will open.

Now use the search box and type browser.tabs.unloadOnLowMemory. When this preference is visible, double-click on it to set its value to false.

That’s it! You have disabled the tab sleep feature in your Firefox browser.

Now, whenever you are working with too many tabs and some tabs are not accessed for some minutes, then Firefox won’t suspend those idle tabs automatically.

To turn on or enable tab sleep in Firefox, just follow all the above steps, and set tabs.unloadOnLowMemory preference value to true.

Hope it will help.

Related reads:

• Disable Sleeping Tabs and stop Chrome from refreshing Tabs
• Enable or Disable Sleeping Tabs and automatically suspend tabs in Microsoft Edge
• How to enable or disable Tab Snoozing in the Opera.

Related posts

• 什么是Firefox中的Tab到Search，如何禁用它？

• 如何使Firefox打开New Tabs作为右侧的最后Tab

• Force Links在Chrome，Edge，Firefox，Opera中打开背景Tab

• 如何在Windows 10任务栏中启用Firefox Tab Previews

• Make tab在Firefox browser中切换快速Tab Warming feature

• Chrome or Firefox browser Change User Interface language

• 恢复缺失或已删除Firefox Bookmarks or Favorites

• Convert Text给Speech Offline与TTFox Firefox browser扩展

• 视窗Defender Application Guard Extension为Chrome & Firefox

• 如何在 Chrome、Safari、Firefox 等中将浏览器选项卡静音

• Firefox browser中Block Notifications，Microphone，Camera要求

• Windows 10 Google Chrome vs Firefox Quantum

• Windows 10 PC上的Configure Firefox New Tab Preferences

• 如何在Windows PC找到Firefox Profile folder

• 关于最有用的Mozilla Firefox：配置调整

• 如何在Firefox中禁用Session Restore Crash Recovery

• 如何在Firefox上允许或Block Add-on installation

• Video format or MIME type不受支持

• 如何改变Default Font在Chrome，Edge，Firefox browser

• FIX：Vimeo不在Chrome or Firefox工作