diff --git a/engine/core/src/jobs.zig b/engine/core/src/jobs.zig
index 9694823..26aa558 100644
--- a/engine/core/src/jobs.zig
+++ b/engine/core/src/jobs.zig
@@ -185,7 +185,7 @@ pub const JobWorker = struct {
                     //    if (self.currentJobContext != null) {
                     //        break;
                     //    }
-                    //    std.time.sleep(1000 * 1000);
+                    //    std.Thread.sleep(1000 * 1000);
                     //}
                     wakeGrabCount = 1;
                 }
diff --git a/engine/core/tests/tests.zig b/engine/core/tests/tests.zig
index 1635a85..fa6d71b 100644
--- a/engine/core/tests/tests.zig
+++ b/engine/core/tests/tests.zig
@@ -46,7 +46,7 @@ pub fn test_loadModules() !void {
     _ = try core.loadModule("external", true);
     const moduleLoader = core.getEngineObject(core.ModuleLoader).?;
 
-    std.time.sleep(1e9 * 0.1);
+    std.Thread.sleep(1e9 * 0.1);
     moduleLoader.tick(0.1);
 }
 
diff --git a/engine/sys/src/systemProc.zig b/engine/sys/src/systemProc.zig
index 20d2df6..da7904f 100644
--- a/engine/sys/src/systemProc.zig
+++ b/engine/sys/src/systemProc.zig
@@ -96,7 +96,7 @@ pub const SubprocessTask = struct {
     pub fn wait(self: *@This()) void {
         var completed: bool = self.completed;
         while (completed == false) {
-            std.time.sleep(1 * 1000 * 1000);
+            std.Thread.sleep(1 * 1000 * 1000);
             self.mutex.lock();
             completed = self.completed;
             self.mutex.unlock();
diff --git a/lib/nfd/src/nfd.zig b/lib/nfd/src/nfd.zig
index 32072be..6ae94a6 100644
--- a/lib/nfd/src/nfd.zig
+++ b/lib/nfd/src/nfd.zig
@@ -154,7 +154,7 @@ pub const NFDRuntime = struct {
     }
 
     fn blockUntilComplete(self: *@This()) void {
-        std.time.sleep(1000 * 1000);
+        std.Thread.sleep(1000 * 1000);
 
         var spinning: bool = true;
         while (spinning) {
@@ -162,7 +162,7 @@ pub const NFDRuntime = struct {
             if (self.runtimeState == .none) {
                 spinning = false;
             }
-            std.time.sleep(1000 * 1000);
+            std.Thread.sleep(1000 * 1000);
             self.lock.unlock();
         }
     }
diff --git a/lib/p2/src/structures/concurrent-queue.zig b/lib/p2/src/structures/concurrent-queue.zig
index c8713c2..bc643a1 100644
--- a/lib/p2/src/structures/concurrent-queue.zig
+++ b/lib/p2/src/structures/concurrent-queue.zig
@@ -213,7 +213,7 @@ test "concurrent queue multiple producer single consumer" {
                 }) catch unreachable;
                 pushedCount += 1;
 
-                std.time.sleep(1000 * 1000 * 100);
+                std.Thread.sleep(1000 * 1000 * 100);
             }
 
             _ = pushedCountResults.fetchAdd(pushedCount, .acq_rel);
@@ -259,7 +259,7 @@ test "concurrent queue multiple producer single consumer" {
                 std.debug.print("popped: {d}\t time left = {d:2.3}\t queueCount = {d}           \r", .{ poppedCount, timeLeft, testQueue.count() });
             }
         }
-        std.time.sleep(1000 * 1000);
+        std.Thread.sleep(1000 * 1000);
     }
 
     for (0..threadCount) |i| {
diff --git a/lib/packer/tests/test.zig b/lib/packer/tests/test.zig
index 1a3a5c9..60c3e9c 100644
--- a/lib/packer/tests/test.zig
+++ b/lib/packer/tests/test.zig
@@ -132,11 +132,11 @@ test "packer file watch" {
     try fs.addFileChangedCallback("test2.txt", fileChangedCb, null);
 
     var file = try std.fs.cwd().createFile("test_output/test2.txt", .{});
-    std.time.sleep(100000000);
+    std.Thread.sleep(100000000);
 
     std.debug.print("writing to file\n", .{});
     // var file = try std.fs.cwd().openFile("test_output/test2.txt", .{ .mode = .read_write });
     try file.writeAll("what the fuck bro");
-    std.time.sleep(400000000);
-    // std.time.sleep(5000000000);
+    std.Thread.sleep(400000000);
+    // std.Thread.sleep(5000000000);
 }
diff --git a/projects/headless/main.zig b/projects/headless/main.zig
index 24b6ab7..9c74ea2 100644
--- a/projects/headless/main.zig
+++ b/projects/headless/main.zig
@@ -16,7 +16,7 @@ pub fn prepare(self: *@This()) !void {
 }
 
 pub fn tick(self: *@This(), dt: f64) void {
-    // std.time.sleep(1000_000);
+    // std.Thread.sleep(1000_000);
     self.timeLeft -= dt;
 
     if (self.timeLeft < 0)
@@ -98,7 +98,7 @@ const MultiJob = struct {
     pub fn tick(ctx: @This()) !void {
         const z = core.tracy.ZoneN(@src(), "MultiJob Tick");
         defer z.End();
-        // std.time.sleep(100_000 * ctx.threadId);
+        // std.Thread.sleep(100_000 * ctx.threadId);
 
         try Barrier(@src()).sync(ctx.threadId);
     }
diff --git a/projects/tools/toolbox.zig b/projects/tools/toolbox.zig
index 654a363..2298e37 100644
--- a/projects/tools/toolbox.zig
+++ b/projects/tools/toolbox.zig
@@ -41,7 +41,7 @@ pub fn prepare(self: *@This()) !void {
 pub fn tick(self: *@This(), dt: f64) void {
     _ = dt;
 
-    std.time.sleep(10 * 1000 * 1000);
+    std.Thread.sleep(10 * 1000 * 1000);
 
     self.tickTasks() catch {};
     self.animationStore.tick();
diff --git a/testing/test-all.zig b/testing/test-all.zig
index 12b9e30..30d54a5 100644
--- a/testing/test-all.zig
+++ b/testing/test-all.zig
@@ -135,7 +135,7 @@ pub fn prepare(self: *@This()) !void {
 }
 
 pub fn tick(self: *@This(), _: f64) void {
-    std.time.sleep(10_000_000);
+    std.Thread.sleep(10_000_000);
 
     var successCount: u32 = 0;
     if (self.testResultsQueue.count() == self.modules.items.len) {