Gladly, this problem is fixable, You can easily stop this problem by just use a registry cleaner.
Windows 7 Registry cleaners wil help you not only to stop Windows 7 hangs after sleep problem, but also speed up your computer speed by 80% and fix all your PC errors.
Check out the best registry cleaners for Windows 7.
Learn more on Windows 7 freezes after sleep
If you have more problems with Windows 7 functionality, You think something makes the system slower? Check the Windows 7 Slow website for solutions and tools.