diff --git a/entity/coin_copper/coin_copper.tscn b/entity/coin_copper/coin_copper.tscn
index 99d56e2..7588034 100644
--- a/entity/coin_copper/coin_copper.tscn
+++ b/entity/coin_copper/coin_copper.tscn
@@ -18,6 +18,7 @@ physics_material_override = ExtResource("1_1fypc")
 continuous_cd = 1
 max_contacts_reported = 1
 contact_monitor = true
+can_sleep = false
 linear_damp = 0.1
 angular_damp = 0.1
 
diff --git a/entity/coin_gold/coin_gold.tscn b/entity/coin_gold/coin_gold.tscn
index bece8eb..2057d7f 100644
--- a/entity/coin_gold/coin_gold.tscn
+++ b/entity/coin_gold/coin_gold.tscn
@@ -16,6 +16,7 @@ mass = 2.0
 inertia = 600.0
 physics_material_override = ExtResource("1_nfq5t")
 continuous_cd = 1
+can_sleep = false
 linear_damp = 0.1
 angular_damp = 0.1
 
diff --git a/entity/coin_silver/coin_silver.tscn b/entity/coin_silver/coin_silver.tscn
index 2555361..8715912 100644
--- a/entity/coin_silver/coin_silver.tscn
+++ b/entity/coin_silver/coin_silver.tscn
@@ -17,6 +17,7 @@ mass = 1.5
 inertia = 800.0
 physics_material_override = ExtResource("1_4sq1a")
 continuous_cd = 1
+can_sleep = false
 linear_damp = 0.1
 angular_damp = 0.1
 
diff --git a/entity/gem/gem.tscn b/entity/gem/gem.tscn
index 08cd7e6..744004e 100644
--- a/entity/gem/gem.tscn
+++ b/entity/gem/gem.tscn
@@ -20,6 +20,7 @@ mass = 1.5
 inertia = 800.0
 physics_material_override = ExtResource("1_vmemd")
 continuous_cd = 1
+can_sleep = false
 linear_damp = 0.1
 angular_damp = 0.1