Rest Easy 

Sleep undisturbed/rest undisturbed.

On the funeral of the dead Soldier, his CO stood before the coffin and said: "Rest Easy, soldier." as a last salute.
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You'll be in the hospital for a while. Rest easy, soldier.

Rest Easy by SirFractional May 27, 2016

Rest Easy 

Rest in peace meaning gone to soon

Rest easy Speaker Knockerz gone to soon

Rest Easy by Gtarocks50dude June 28, 2014

Rest easy 

It means to have a good sleep or to get better.

Also, it means Rest in Peace or R.I.P.

Dave: Bro, I ain't feeling good no more. I think I'm sick.

Johnny: Okay man...I feel ya. You don't have to come out with the boys.

Dave: Thanks brother!
Johnny: Rest easy, son

(At a funeral)

Andre: Rest Easy Homie

(Pours out liquor on the ground)

Rest easy by Ybn Saturday September 30, 2021