diff --git a/core/libs/prx/libSceAgcDriver/Execution/src/Pm4.cpp b/core/libs/prx/libSceAgcDriver/Execution/src/Pm4.cpp
index f723dc1a9..7520ab41b 100644
--- a/core/libs/prx/libSceAgcDriver/Execution/src/Pm4.cpp
+++ b/core/libs/prx/libSceAgcDriver/Execution/src/Pm4.cpp
@@ -1,6 +1,7 @@
 #include "prx/libSceAgcDriver/Execution/include/Pm4.hpp"
 #include "prx/libSceAgcDriver/Execution/include/GuestMemory.hpp"
 #include "prx/libc/include/General.hpp"
+#include "prx/libc/include/PreciseWait.hpp"
 #include <algorithm>
 #include <thread>
 #include <chrono>
@@ -839,7 +840,7 @@ void Execute(std::span<const std::uint32_t> packet, QueueState& queue) {
             const auto start = std::chrono::steady_clock::now();
             bool warned = false;
             while (!WaitSatisfied(packet)) {
-                std::this_thread::sleep_for(std::chrono::microseconds(50));
+                PreciseSleepUs(50);
                 if (!warned && std::chrono::steady_clock::now() - start > std::chrono::seconds(5)) {
                     warned = true;
                     std::fprintf(stderr, "[gpu] WAIT_REG_MEM at 0x%llx still waiting after 5s (function %u ref 0x%x mask 0x%x)\n",
diff --git a/core/libs/prx/libSceFont/src/State.cpp b/core/libs/prx/libSceFont/src/State.cpp
index 6911fa24f..f2b1bc905 100644
--- a/core/libs/prx/libSceFont/src/State.cpp
+++ b/core/libs/prx/libSceFont/src/State.cpp
@@ -12,6 +12,7 @@
 #include <unordered_map>
 #include <unordered_set>
 
+#include "prx/libc/include/PreciseWait.hpp"
 #include "prx/libSceFont/include/FontInternal.hpp"
 
 namespace {
@@ -56,7 +57,7 @@ Font::FontState::~FontState() {
 }
 
 void Font::Backoff() {
-    std::this_thread::sleep_for(std::chrono::microseconds(30));
+    PreciseSleepUs(30);
 }
 
 std::uint32_t Font::AcquireWordLock(std::uint32_t& word) {
diff --git a/core/libs/prx/libkernel/Apr/src/Apr.cpp b/core/libs/prx/libkernel/Apr/src/Apr.cpp
index b87cd0e56..1417f6fd4 100644
--- a/core/libs/prx/libkernel/Apr/src/Apr.cpp
+++ b/core/libs/prx/libkernel/Apr/src/Apr.cpp
@@ -2,6 +2,7 @@
 #include <cstddef>
 #include "SceTypes.hpp"
 #include "prx/libc/include/General.hpp"
+#include "prx/libc/include/PreciseWait.hpp"
 #include "prx/libc/include/GuestArena.hpp"
 #include "prx/libkernel/Apr/include/AprCommandBuffer.hpp"
 #include "prx/libkernel/DirectMemory/DirectMemory.hpp"
@@ -585,7 +586,7 @@ void _execute(const Apr::CommandBufferObject& buffer) {
                 return std::atomic_ref<std::uint64_t>(*reinterpret_cast<std::uint64_t*>(command.address)).load(std::memory_order_acquire);
             };
             const std::uint64_t reference = (command.reference & command.mask) << unused;
-            while (!_waitSatisfied(command.compare, (current() & command.mask) << unused, reference)) std::this_thread::sleep_for(std::chrono::microseconds(50));
+            while (!_waitSatisfied(command.compare, (current() & command.mask) << unused, reference)) PreciseSleepUs(50);
             break;
         }
         case Apr::Opcode::WriteKernelEventQueue: {