Radxa Zero 3W - Suspend to Ram

Hi, I’m working on a project that will use the Radxa zero 3W. Since this project is battery powered, I’m wondering where I can find documentation on the suspend to ram functionailty. I’m essentially building a smart watch of sorts where I want the device to be “sleeping” most of the time to reserve battery, and wake up when I tap the LCD display. I’ve never used a radxa SBC, so I appreciate any advice or guidance!

Thank you all!