How to stop my MY BOOK 3TB from going to sleep

WD External and Portable SSD External SSD for macOS
1

How to stop my MY BOOK 3TB from going to sleep

i have a MACBOOK PRO WITH MOUNTAIN LION. 

thanks

2

From smartware when you go to setting/setup drive, you should be able to see the sleep options.

http://www.wdc.com/wdproducts/wdsmartwareupdate/

3

thanks for the help, ill try it out