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First, in principle, the dormancy function of Windows system is to keep a mirror image of your computer in the hard disk, while the hard disk can save data in the case of power failure.To understand this principle, we will know how to sleep and shut down in the state is the same, you can unplug the power and battery, but the difference is that after dormancy boot, the original run of the program will be resuming from disk into memory, all the work will continue to exist, it is very practical and convenient as a function.
Windows Vista的睡眠功能称为Windows XP的待机的功能，简单的说，是一种节能模式，你可以保持很小的功率消耗（需要保持上电），使程序在内存中运行的不丢失，电脑在睡眠；当，状态可以恢复正常状态的速度非常快，它可以被理解为一种浅睡眠，和恢复的速度比快睡觉。休眠和睡眠的使用可以大大提高计算机的使用效率。需要指出的是，无论是休眠或睡眠对笔记本的生活影响。