diff --git a/include/AModule.hpp b/include/AModule.hpp
index a338ffe3..f697c012 100644
--- a/include/AModule.hpp
+++ b/include/AModule.hpp
@@ -25,6 +25,10 @@ class AModule : public IModule {
 
   bool expandEnabled() const;
 
+  virtual void suspend() {};
+  virtual void resume() {};
+  bool shouldSuspend() const { return disable_on_sleep_; }
+
  protected:
   // Don't need to make an object directly
   // Derived classes are able to use it
@@ -48,6 +52,8 @@ class AModule : public IModule {
   virtual bool handleMouseLeave(GdkEventCrossing* const& ev);
   virtual bool handleScroll(GdkEventScroll*);
   virtual bool handleRelease(GdkEventButton* const& ev);
+
+  bool disable_on_sleep_{false};
   GObject* menu_ = nullptr;
 
  private:
@@ -57,6 +63,7 @@ class AModule : public IModule {
   bool hasUserEvents_;
   gdouble distance_scrolled_y_;
   gdouble distance_scrolled_x_;
+  sigc::connection cursor_timeout_conn_;
   std::map<std::string, std::string> eventActionMap_;
   static const inline std::map<std::pair<uint, GdkEventType>, std::string> eventMap_{
       {std::make_pair(1, GdkEventType::GDK_BUTTON_PRESS), "on-click"},
diff --git a/include/bar.hpp b/include/bar.hpp
index 54b332bf..8f23d6e8 100644
--- a/include/bar.hpp
+++ b/include/bar.hpp
@@ -75,6 +75,8 @@ class Bar : public sigc::trackable {
   util::KillSignalAction getOnSigusr1Action();
   util::KillSignalAction getOnSigusr2Action();
 
+  void toggleSuspend(bool suspend);
+
   struct waybar_output* output;
   Json::Value config;
   struct wl_surface* surface;
diff --git a/include/modules/memory.hpp b/include/modules/memory.hpp
index c73ece23..0e405187 100644
--- a/include/modules/memory.hpp
+++ b/include/modules/memory.hpp
@@ -19,8 +19,6 @@ class Memory : public ALabel {
  private:
   void parseMeminfo();
 
-  static float calc_divisor(const std::string& divisor);
-
   std::unordered_map<std::string, unsigned long> meminfo_;
 
   util::SleeperThread thread_;
diff --git a/include/modules/mpd/mpd.hpp b/include/modules/mpd/mpd.hpp
index 9d81638e..27c56153 100644
--- a/include/modules/mpd/mpd.hpp
+++ b/include/modules/mpd/mpd.hpp
@@ -54,7 +54,6 @@ class MPD : public ALabel {
   void tryConnect();
   void checkErrors(mpd_connection* conn);
   void fetchState();
-  void queryMPD();
 
   inline bool stopped() const { return connection_ && state_ == MPD_STATE_STOP; }
   inline bool playing() const { return connection_ && state_ == MPD_STATE_PLAY; }
diff --git a/include/modules/mpd/state.hpp b/include/modules/mpd/state.hpp
index 2c9071b4..0624c196 100644
--- a/include/modules/mpd/state.hpp
+++ b/include/modules/mpd/state.hpp
@@ -197,7 +197,6 @@ class Context {
   void tryConnect() const;
   void checkErrors(mpd_connection*) const;
   void do_update();
-  void queryMPD() const;
   void fetchState() const;
   constexpr mpd_state state() const;
   void emit() const;
diff --git a/include/modules/mpd/state.inl.hpp b/include/modules/mpd/state.inl.hpp
index 895970e6..06232b95 100644
--- a/include/modules/mpd/state.inl.hpp
+++ b/include/modules/mpd/state.inl.hpp
@@ -15,7 +15,6 @@ constexpr inline mpd_state Context::state() const { return mpd_module_->state_;
 inline void Context::do_update() { mpd_module_->setLabel(); }
 
 inline void Context::checkErrors(mpd_connection* conn) const { mpd_module_->checkErrors(conn); }
-inline void Context::queryMPD() const { mpd_module_->queryMPD(); }
 inline void Context::fetchState() const { mpd_module_->fetchState(); }
 inline void Context::emit() const { mpd_module_->emit(); }
 
diff --git a/include/modules/temperature.hpp b/include/modules/temperature.hpp
index 918281be..d65ef84d 100644
--- a/include/modules/temperature.hpp
+++ b/include/modules/temperature.hpp
@@ -14,6 +14,8 @@ class Temperature : public ALabel {
   Temperature(const std::string&, const Json::Value&);
   virtual ~Temperature() = default;
   auto update() -> void override;
+  void suspend() override;
+  void resume() override;
 
  private:
   float getTemperature();
diff --git a/include/util/json.hpp b/include/util/json.hpp
index 5f756f35..5f45ae92 100644
--- a/include/util/json.hpp
+++ b/include/util/json.hpp
@@ -7,6 +7,7 @@
 #include <codecvt>
 #include <iostream>
 #include <locale>
+#include <memory>
 #include <regex>
 
 #if (FMT_VERSION >= 90000)
@@ -26,14 +27,19 @@ class JsonParser {
     Json::Value root;
 
     // replace all occurrences of "\x" with "\u00", because JSON doesn't allow "\x" escape sequences
-    std::string modifiedJsonStr = replaceHexadecimalEscape(jsonStr);
+    std::string modifiedJsonStr;
+    const std::string* json = &jsonStr;
+    if (jsonStr.find("\\x") != std::string::npos) {
+      modifiedJsonStr = replaceHexadecimalEscape(jsonStr);
+      json = &modifiedJsonStr;
+    }
 
-    std::istringstream jsonStream(modifiedJsonStr);
     std::string errs;
     // Use local CharReaderBuilder for thread safety - the IPC singleton's
     // parser can be called concurrently from multiple module threads
     Json::CharReaderBuilder readerBuilder;
-    if (!Json::parseFromStream(readerBuilder, jsonStream, &root, &errs)) {
+    auto reader = std::unique_ptr<Json::CharReader>(readerBuilder.newCharReader());
+    if (!reader->parse(json->data(), json->data() + json->size(), &root, &errs)) {
       throw std::runtime_error("Error parsing JSON: " + errs);
     }
     return root;
diff --git a/include/util/sleeper_thread.hpp b/include/util/sleeper_thread.hpp
index 1f3a372d..9d20f252 100644
--- a/include/util/sleeper_thread.hpp
+++ b/include/util/sleeper_thread.hpp
@@ -79,6 +79,12 @@ class SleeperThread {
   auto sleep_for(std::chrono::system_clock::duration dur) {
     std::unique_lock lk(mutex_);
     CancellationGuard cancel_lock;
+
+    condvar_.wait(lk, [this] {
+      return !is_paused_ || signal_.load(std::memory_order_relaxed) ||
+             !do_run_.load(std::memory_order_relaxed);
+    });
+
     constexpr auto max_time_point = std::chrono::steady_clock::time_point::max();
     auto wait_end = max_time_point;
     auto now = std::chrono::steady_clock::now();
@@ -95,6 +101,12 @@ class SleeperThread {
           time_point) {
     std::unique_lock lk(mutex_);
     CancellationGuard cancel_lock;
+
+    condvar_.wait(lk, [this] {
+      return !is_paused_ || signal_.load(std::memory_order_relaxed) ||
+             !do_run_.load(std::memory_order_relaxed);
+    });
+
     return condvar_.wait_until(lk, time_point, [this] {
       return signal_.load(std::memory_order_relaxed) || !do_run_.load(std::memory_order_relaxed);
     });
@@ -122,6 +134,17 @@ class SleeperThread {
     }
   }
 
+  void pause() {
+    std::lock_guard<std::mutex> lock(mutex_);
+    is_paused_ = true;
+  }
+
+  void resume() {
+    std::lock_guard<std::mutex> lock(mutex_);
+    is_paused_ = false;
+    condvar_.notify_all();
+  }
+
   ~SleeperThread() {
     connection_.disconnect();
     stop();
@@ -137,6 +160,7 @@ class SleeperThread {
   std::atomic<bool> do_run_ = true;
   std::atomic<bool> signal_ = false;
   sigc::connection connection_;
+  bool is_paused_{false};
 };
 
 }  // namespace waybar::util
diff --git a/src/AModule.cpp b/src/AModule.cpp
index 3a1f5e7a..353d0dea 100644
--- a/src/AModule.cpp
+++ b/src/AModule.cpp
@@ -17,10 +17,14 @@ AModule::AModule(const Json::Value& config, const std::string& name, const std::
       isTooltip{config_["tooltip"].isBool() ? config_["tooltip"].asBool() : true},
       isExpand{config_["expand"].isBool() ? config_["expand"].asBool() : false},
       distance_scrolled_y_(0.0),
-      distance_scrolled_x_(0.0) {
+      distance_scrolled_x_(0.0),
+      cursor_timeout_conn_() {
   // Configure module action Map
   const Json::Value actions{config_["actions"]};
 
+  disable_on_sleep_ =
+      config_["disable-on-sleep"].isBool() ? config_["disable-on-sleep"].asBool() : false;
+
   for (Json::Value::const_iterator it = actions.begin(); it != actions.end(); ++it) {
     if (it.key().isString() && it->isString())
       if (!eventActionMap_.contains(it.key().asString())) {
@@ -87,6 +91,9 @@ AModule::AModule(const Json::Value& config, const std::string& name, const std::
 }
 
 AModule::~AModule() {
+  if (cursor_timeout_conn_.connected()) {
+    cursor_timeout_conn_.disconnect();
+  }
   for (const auto& pid : pid_children_) {
     if (pid != -1) {
       killpg(pid, SIGTERM);
@@ -122,7 +129,7 @@ void AModule::setCursor(Gdk::CursorType const& c) {
   } else {
     // window may not be accessible yet, in this case,
     // schedule another call for setting the cursor in 1 sec
-    Glib::signal_timeout().connect_seconds(
+    cursor_timeout_conn_ = Glib::signal_timeout().connect_seconds(
         [this, c]() {
           setCursor(c);
           return false;
diff --git a/src/bar.cpp b/src/bar.cpp
index 7ff73c4f..44d02c5d 100644
--- a/src/bar.cpp
+++ b/src/bar.cpp
@@ -263,6 +263,16 @@ waybar::Bar::Bar(struct waybar_output* w_output, const Json::Value& w_config)
 
   window.signal_map_event().connect_notify(sigc::mem_fun(*this, &Bar::onMap));
 
+  window.signal_unmap().connect([this]() {
+    spdlog::debug("Output {} unmapped (DPMS off), suspending modules", output->name);
+    toggleSuspend(true);
+  });
+
+  window.signal_map().connect([this]() {
+    spdlog::debug("Output {} mapped (DPMS on), resuming modules", output->name);
+    toggleSuspend(false);
+  });
+
 #if HAVE_SWAY
   if (auto ipc = config["ipc"]; ipc.isBool() && ipc.asBool()) {
     bar_id = Client::inst()->bar_id;
@@ -545,8 +555,8 @@ void waybar::Bar::getModules(const Factory& factory, const std::string& pos,
           if (group_config["modules"].isNull()) {
             spdlog::warn("Group definition '{}' has not been found, group will be hidden", ref);
           }
-          auto group_module = std::make_unique<waybar::Group>(
-          id_name, class_name, group_config, vertical);
+          auto group_module =
+              std::make_unique<waybar::Group>(id_name, class_name, group_config, vertical);
 
           getModules(factory, ref, group_module.get());
           module = group_module.release();
@@ -696,3 +706,22 @@ void waybar::Bar::configureGlobalOffset(int width, int height) {
 void waybar::Bar::onOutputGeometryChanged() {
   configureGlobalOffset(window.get_width(), window.get_height());
 }
+
+void waybar::Bar::toggleSuspend(bool suspend) {
+  auto process_modules = [suspend](Gtk::Box& module_box) {
+    for (auto* widget : module_box.get_children()) {
+      auto* module = dynamic_cast<waybar::AModule*>(widget);
+      if (module && module->shouldSuspend()) {
+        if (suspend) {
+          module->suspend();
+        } else {
+          module->resume();
+        }
+      }
+    }
+  };
+
+  process_modules(left_);
+  process_modules(center_);
+  process_modules(right_);
+}
diff --git a/src/modules/battery.cpp b/src/modules/battery.cpp
index 25436baf..67d6bb57 100644
--- a/src/modules/battery.cpp
+++ b/src/modules/battery.cpp
@@ -153,7 +153,7 @@ void waybar::modules::Battery::refreshBatteries() {
       }
     }
   } catch (fs::filesystem_error& e) {
-    throw std::runtime_error(e.what());
+    spdlog::warn("Battery directory tracking failed: {}", e.what());
   }
   if (warnFirstTime_ && batteries_.empty()) {
     if (config_["bat"].isString()) {
diff --git a/src/modules/custom.cpp b/src/modules/custom.cpp
index 28def8c9..1d9b320c 100644
--- a/src/modules/custom.cpp
+++ b/src/modules/custom.cpp
@@ -39,6 +39,11 @@ waybar::modules::Custom::~Custom() {
 }
 
 void waybar::modules::Custom::delayWorker() {
+  if (!config_["exec"].isString() && !config_["exec-if"].isString()) {
+    dp.emit();
+    return;
+  }
+
   thread_ = [this] {
     for (int i : this->pid_children_) {
       int status;
diff --git a/src/modules/hyprland/backend.cpp b/src/modules/hyprland/backend.cpp
index 08cf97c1..f38f8216 100644
--- a/src/modules/hyprland/backend.cpp
+++ b/src/modules/hyprland/backend.cpp
@@ -320,7 +320,7 @@ std::string IPC::buildLuaDispatch(const std::string& dispatcher, const std::stri
   // New format:  /dispatch hl.dsp.focus({ workspace = "1" })
   //
   // Old format:  dispatch focusworkspaceoncurrentmonitor 2
-  // New format:  /dispatch hl.dsp.focus({ workspace = "2", monitor = "current" })
+  // New format:  /dispatch hl.dsp.focus({ workspace = "2", on_current_monitor = true })
   //
   // Old format:  dispatch togglespecialworkspace name
   // New format:  /dispatch hl.dsp.workspace.toggle_special("name")
@@ -329,7 +329,7 @@ std::string IPC::buildLuaDispatch(const std::string& dispatcher, const std::stri
     return "/dispatch hl.dsp.focus({ workspace = \"" + arg + "\" })";
   }
   if (dispatcher == "focusworkspaceoncurrentmonitor") {
-    return "/dispatch hl.dsp.focus({ workspace = \"" + arg + "\", monitor = \"current\" })";
+    return "/dispatch hl.dsp.focus({ workspace = \"" + arg + "\", on_current_monitor = true })";
   }
   if (dispatcher == "togglespecialworkspace") {
     if (arg.empty()) {
diff --git a/src/modules/memory/common.cpp b/src/modules/memory/common.cpp
index 731f0b08..d41b4fc2 100644
--- a/src/modules/memory/common.cpp
+++ b/src/modules/memory/common.cpp
@@ -1,5 +1,18 @@
 #include "modules/memory.hpp"
 
+namespace {
+const std::unordered_map<std::string, float> kUnits = {
+  {"kB", 1.000},
+  {"kiB", 1.024},
+  {"MB", 1.000 * 1000.0},
+  {"MiB", 1.024 * 1024.0},
+  {"GB", 1.000 * 1000.0 * 1000.0},
+  {"GiB", 1.024 * 1024.0 * 1024.0},
+  {"TB", 1.000 * 1000.0 * 1000.0 * 1000.0},
+  {"TiB", 1.024 * 1024.0 * 1024.0 * 1024.0}
+};
+}
+
 waybar::modules::Memory::Memory(const std::string& id, const Json::Value& config)
     : ALabel(config, "memory", id, "{}%", 30) {
   thread_ = [this] {
@@ -8,6 +21,11 @@ waybar::modules::Memory::Memory(const std::string& id, const Json::Value& config
   };
   if (config["unit"].isString()) {
     unit_ = config["unit"].asString();
+    if (!kUnits.contains(unit_)) {
+      unit_ = "GiB";
+    }
+  } else {
+    unit_ = "GiB";
   }
 }
 
@@ -40,7 +58,7 @@ auto waybar::modules::Memory::update() -> void {
       used_swap_percentage = 100 * (swaptotal - swapfree) / swaptotal;
     }
 
-    float divisor = calc_divisor(unit_);
+    float divisor = kUnits.at(unit_);
     float total_ram = memtotal / divisor;
     float total_swap = swaptotal / divisor;
     float used_ram = (memtotal - memfree) / divisor;
@@ -82,7 +100,7 @@ auto waybar::modules::Memory::update() -> void {
             fmt::arg("swapUsed", used_swap), fmt::arg("avail", available_ram),
             fmt::arg("swapAvail", available_swap)));
       } else {
-        label_.set_tooltip_markup(fmt::format("{:.{}f}GiB used", used_ram, 1));
+        label_.set_tooltip_markup(fmt::format("{:.{}f}{} used", used_ram, 1, unit_));
       }
     }
   } else {
@@ -91,25 +109,3 @@ auto waybar::modules::Memory::update() -> void {
   // Call parent update
   ALabel::update();
 }
-
-float waybar::modules::Memory::calc_divisor(const std::string& divisor) {
-  if (divisor == "kB") {
-    return 1.0;
-  } else if (divisor == "kiB") {
-    return 1.024;
-  } else if (divisor == "MB") {
-    return 1.000 * 1000.0;
-  } else if (divisor == "MiB") {
-    return 1.024 * 1024.0;
-  } else if (divisor == "GB") {
-    return 1.000 * 1000.0 * 1000.0;
-  } else if (divisor == "GiB") {
-    return 1.024 * 1024.0 * 1024.0;
-  } else if (divisor == "TB") {
-    return 1.000 * 1000.0 * 1000.0 * 1000.0;
-  } else if (divisor == "TiB") {
-    return 1.024 * 1024.0 * 1024.0 * 1024.0;
-  } else {  // default to GiB if it is anything that we don't recongnise
-    return 1.024 * 1024.0 * 1024.0;
-  }
-}
diff --git a/src/modules/mpd/mpd.cpp b/src/modules/mpd/mpd.cpp
index 9874f458..312bd6f0 100644
--- a/src/modules/mpd/mpd.cpp
+++ b/src/modules/mpd/mpd.cpp
@@ -51,21 +51,6 @@ auto waybar::modules::MPD::update() -> void {
   ALabel::update();
 }
 
-void waybar::modules::MPD::queryMPD() {
-  if (connection_ != nullptr) {
-    spdlog::trace("{}: fetching state information", module_name_);
-    try {
-      fetchState();
-      spdlog::trace("{}: fetch complete", module_name_);
-    } catch (std::exception const& e) {
-      spdlog::error("{}: {}", module_name_, e.what());
-      state_ = MPD_STATE_UNKNOWN;
-    }
-
-    dp.emit();
-  }
-}
-
 std::string waybar::modules::MPD::getTag(mpd_tag_type type, unsigned idx) const {
   std::string result =
       config_["unknown-tag"].isString() ? config_["unknown-tag"].asString() : "N/A";
@@ -124,8 +109,9 @@ void waybar::modules::MPD::setLabel() {
 
   std::string stateIcon = "";
   bool no_song = song_.get() == nullptr;
-  if (stopped() || no_song) {
-    if (no_song) spdlog::warn("Bug in mpd: no current song but state is not stopped.");
+  bool is_stopped = stopped();
+  if (is_stopped || no_song) {
+    if (no_song && !is_stopped) spdlog::warn("mpd: no current song while state is not stopped");
     format =
         config_["format-stopped"].isString() ? config_["format-stopped"].asString() : "stopped";
     label_.get_style_context()->add_class("stopped");
diff --git a/src/modules/mpd/state.cpp b/src/modules/mpd/state.cpp
index 3d7c8561..eb95665f 100644
--- a/src/modules/mpd/state.cpp
+++ b/src/modules/mpd/state.cpp
@@ -152,7 +152,6 @@ bool Playing::on_timer() {
       return false;
     }
 
-    ctx_->queryMPD();
     ctx_->emit();
   } catch (std::exception const& e) {
     spdlog::warn("mpd: Playing: error: {}", e.what());
diff --git a/src/modules/temperature.cpp b/src/modules/temperature.cpp
index bb5ff02c..dcfb0b2f 100644
--- a/src/modules/temperature.cpp
+++ b/src/modules/temperature.cpp
@@ -155,3 +155,7 @@ bool waybar::modules::Temperature::isCritical(uint16_t temperature_c) {
   return config_["critical-threshold"].isInt() &&
          temperature_c >= config_["critical-threshold"].asInt();
 }
+
+void waybar::modules::Temperature::suspend() { thread_.pause(); }
+
+void waybar::modules::Temperature::resume() { thread_.resume(); }
diff --git a/src/modules/wayfire/backend.cpp b/src/modules/wayfire/backend.cpp
index 42976d20..037a61e1 100644
--- a/src/modules/wayfire/backend.cpp
+++ b/src/modules/wayfire/backend.cpp
@@ -347,10 +347,13 @@ auto IPC::update_state_handler(const std::string& event, const Json::Value& data
 
   if (event == "output-wset-changed") {
     // data: { event, new-wset: wset.name, output: id, new-wset-data: wset, output-data: output }
-    auto& output = state.outputs.at(data["output-data"]["name"].asString());
-    auto wset_idx = data["new-wset-data"]["index"].asUInt();
-    state.wsets.at(wset_idx).output = output;
-    output.wset_idx = wset_idx;
+    try {
+	  auto& output = state.outputs.at(data["output-data"]["name"].asString());
+	  auto wset_idx = data["new-wset-data"]["index"].asUInt();
+	  state.wsets.at(wset_idx).output = output;
+	  output.wset_idx = wset_idx;
+	} catch (const std::exception&) {
+	} 
     return;
   }
 
diff --git a/src/util/audio_backend.cpp b/src/util/audio_backend.cpp
index 4087e096..fb368ca5 100644
--- a/src/util/audio_backend.cpp
+++ b/src/util/audio_backend.cpp
@@ -99,15 +99,17 @@ void AudioBackend::contextStateCb(pa_context* c, void* data) {
                            nullptr, nullptr);
       break;
     case PA_CONTEXT_FAILED:
-      // When pulseaudio server restarts, the connection is "failed". Try to reconnect.
-      // pa_threaded_mainloop_lock is already acquired in callback threads.
-      // So there is no need to lock it again.
-      if (backend->context_ != nullptr) {
-        pa_context_disconnect(backend->context_);
-        pa_context_unref(backend->context_);
-        backend->context_ = nullptr;
+      if (pa_context_errno(c) != PA_ERR_CONNECTIONREFUSED) {
+        // When pulseaudio server restarts, the connection is "failed". Try to reconnect.
+        // pa_threaded_mainloop_lock is already acquired in callback threads.
+        // So there is no need to lock it again.
+        if (backend->context_ != nullptr) {
+          pa_context_disconnect(backend->context_);
+          pa_context_unref(backend->context_);
+          backend->context_ = nullptr;
+        }
+        backend->connectContext();
       }
-      backend->connectContext();
       break;
     case PA_CONTEXT_CONNECTING:
     case PA_CONTEXT_AUTHORIZING:
diff --git a/test/hyprland/backend.cpp b/test/hyprland/backend.cpp
index 62d23ae4..f2e10dae 100644
--- a/test/hyprland/backend.cpp
+++ b/test/hyprland/backend.cpp
@@ -160,7 +160,7 @@ TEST_CASE("buildLuaDispatch focusworkspaceoncurrentmonitor", "[buildLuaDispatch]
       IPCTestHelper::buildLuaDispatch("focusworkspaceoncurrentmonitor", "3");
   REQUIRE(
       result ==
-      "/dispatch hl.dsp.focus({ workspace = \"3\", monitor = \"current\" })");
+      "/dispatch hl.dsp.focus({ workspace = \"3\", on_current_monitor = true })");
 }
 
 TEST_CASE("buildLuaDispatch togglespecialworkspace", "[buildLuaDispatch]") {