System Sleep code while running batch execuiton

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System Sleep code :
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As automation tester we have to run the automation scripts as Batch over night,usually system will get sleep by 5  min to avoid that we can use below sleep code to keep system running without sleep

set c=wscript.createobject("wscript.shell")
for j=1 to 100
c.sendkeys "^"
wscript.sleep 50000
j=j-1
next

take above code and save as VBS file, and just double click on same file so that system will not sleep


Note : If you have admin rights you can change system sleep settings, but above code will help us even you dont have admin rights