diff --git a/CHANGELOG.md b/CHANGELOG.md
index a3dfd80b..245f1a6d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,6 +28,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Option for the brightness automations based on sleep mode to run on SteamVR launch. This now happens automatically when a HMD is connected.
 
+### Fixed
+
+- Duration inputs for shutdown sequence triggers being broken on systems using a 12-hour clock.
+- Shutdown sequence being triggered over and over by the sleep mode trigger, when not using it to shut down or reboot the PC.
+
 ## [1.13.3]
 
 ### Fixed
@@ -36,6 +41,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Certain types of selection in input fields (e.g. Ctrl+A) being blocked
 
 ### Changed
+
 - Window titlebar icons
 
 ## [1.13.2]
diff --git a/src-ui/app/components/duration-input-setting/duration-input-setting.component.html b/src-ui/app/components/duration-input-setting/duration-input-setting.component.html
index 244190bd..d3e84eec 100644
--- a/src-ui/app/components/duration-input-setting/duration-input-setting.component.html
+++ b/src-ui/app/components/duration-input-setting/duration-input-setting.component.html
@@ -5,6 +5,7 @@
     readonly
     (mouseenter)="mouseEnter('INPUT')"
     (mouseleave)="mouseLeave('INPUT')"
+    (click)="mouseClickInput()"
     [disabled]="disabled"
   />
   <div
diff --git a/src-ui/app/components/duration-input-setting/duration-input-setting.component.ts b/src-ui/app/components/duration-input-setting/duration-input-setting.component.ts
index 93fdcfd4..5639d70d 100644
--- a/src-ui/app/components/duration-input-setting/duration-input-setting.component.ts
+++ b/src-ui/app/components/duration-input-setting/duration-input-setting.component.ts
@@ -91,4 +91,10 @@ export class DurationInputSettingComponent {
       if (Object.values(this.mouseInside).every((v) => !v)) this.inputOpen = false;
     }, 200);
   }
+
+  mouseClickInput() {
+    if (this.inputOpen && this.hourInput?.nativeElement) {
+      this.hourInput.nativeElement.focus();
+    }
+  }
 }
diff --git a/src-ui/app/services/mqtt/integrations/hmd-data.mqtt-integration.ts b/src-ui/app/services/mqtt/integrations/hmd-data.mqtt-integration.ts
index 2a7bf599..456063c1 100644
--- a/src-ui/app/services/mqtt/integrations/hmd-data.mqtt-integration.ts
+++ b/src-ui/app/services/mqtt/integrations/hmd-data.mqtt-integration.ts
@@ -27,18 +27,9 @@ export class HMDDataMqttIntegrationService {
       value: 'off',
       available: false,
     });
-    await this.mqtt.initProperty({
-      type: 'SENSOR',
-      id: 'debugHmdActivity',
-      topicPath: 'debugHmdActivity',
-      displayName: 'VR HMD Activity (DEBUG)',
-      value: 'null',
-      available: false,
-    });
     this.openvr.status.subscribe((status) => {
       this.mqtt.setPropertyAvailability('hmdModel', status === 'INITIALIZED');
       this.mqtt.setPropertyAvailability('hmdOnHead', status === 'INITIALIZED');
-      this.mqtt.setPropertyAvailability('debugHmdActivity', status === 'INITIALIZED');
     });
     this.openvr.devices
       .pipe(map((devices) => devices.find((d) => d.class === 'HMD')))
@@ -47,7 +38,6 @@ export class HMDDataMqttIntegrationService {
           [device?.manufacturerName, device?.modelNumber].filter(Boolean).join(' ') ?? 'null';
         this.mqtt.setSensorPropertyValue('hmdModel', name);
         this.mqtt.setSensorPropertyValue('hmdOnHead', device?.hmdOnHead ? 'on' : 'off');
-        this.mqtt.setSensorPropertyValue('debugHmdActivity', device?.debugHmdActivity ?? 'null');
       });
   }
 }
diff --git a/src-ui/app/services/shutdown-automations.service.ts b/src-ui/app/services/shutdown-automations.service.ts
index 14111e9b..eaa5a8c6 100644
--- a/src-ui/app/services/shutdown-automations.service.ts
+++ b/src-ui/app/services/shutdown-automations.service.ts
@@ -56,6 +56,7 @@ export class ShutdownAutomationsService {
   );
   private sleepMode = false;
   private sleepModeLastSet = 0;
+  private triggeredThisSleep = false;
   private aloneSince = 0;
   private isAlone = false;
   private wasNotAlone = false;
@@ -105,7 +106,7 @@ export class ShutdownAutomationsService {
     this.automationConfigService.configs
       .pipe(
         map((configs) => configs.SHUTDOWN_AUTOMATIONS),
-        // Reset the 'last set' in case any of the trigger parameters change, so the user doesn't get any unwanted surprises
+        // Reset the 'alone since' in case any of the trigger parameters change, so the user doesn't get any unwanted surprises
         pairwise(),
         filter(([oldConfig, newConfig]) => {
           const keys: Array<keyof ShutdownAutomationsConfig> = [
@@ -125,6 +126,7 @@ export class ShutdownAutomationsService {
     // Track sleep mode being set
     this.sleepService.mode.pipe(distinctUntilChanged()).subscribe((mode) => {
       this.sleepMode = mode;
+      if (!this.sleepMode) this.triggeredThisSleep = false;
       this.sleepModeLastSet = Date.now();
     });
     // Track being alone
@@ -197,11 +199,18 @@ export class ShutdownAutomationsService {
   private async handleTriggerOnSleep() {
     interval(1000)
       .pipe(
-        filter(() => this._stage.value === 'IDLE'),
+        // Only trigger if this trigger is enabled
         filter(() => this.config.triggersEnabled),
         filter(() => this.config.triggerOnSleep),
+        // Only trigger if the shutdown sequence isn't running
+        filter(() => this._stage.value === 'IDLE'),
+        // Only trigger if the sleep mode is active
         filter(() => this.sleepMode),
+        // Only trigger if we haven't already triggered this sleep (resets once sleep mode disables)
+        filter(() => !this.triggeredThisSleep),
+        // Only trigger if the sleep mode has been active for long enough
         filter(() => Date.now() - this.sleepModeLastSet >= this.config.triggerOnSleepDuration),
+        // Only trigger if we're in the activation window, if it's configured
         filter(
           () =>
             !this.config.triggerOnSleepActivationWindow ||
@@ -209,11 +218,12 @@ export class ShutdownAutomationsService {
               this.config.triggerOnSleepActivationWindowStart,
               this.config.triggerOnSleepActivationWindowEnd
             )
-        ),
-        // Only trigger once every 5 minutes at most
-        throttleTime(300000, asyncScheduler, { leading: true, trailing: false })
+        )
       )
-      .subscribe(() => this.runSequence('SLEEP_TRIGGER'));
+      .subscribe(() => {
+        this.triggeredThisSleep = true;
+        this.runSequence('SLEEP_TRIGGER');
+      });
   }
 
   private async handleTriggerWhenAlone() {
diff --git a/src-ui/app/views/dashboard-view/views/shutdown-automations-view/tabs/shutdown-automations-triggers-tab/shutdown-automations-triggers-tab.component.html b/src-ui/app/views/dashboard-view/views/shutdown-automations-view/tabs/shutdown-automations-triggers-tab/shutdown-automations-triggers-tab.component.html
index b4a8f230..cf62ff96 100644
--- a/src-ui/app/views/dashboard-view/views/shutdown-automations-view/tabs/shutdown-automations-triggers-tab/shutdown-automations-triggers-tab.component.html
+++ b/src-ui/app/views/dashboard-view/views/shutdown-automations-view/tabs/shutdown-automations-triggers-tab/shutdown-automations-triggers-tab.component.html
@@ -44,15 +44,10 @@ <h2 translate>shutdown-automations.triggers.triggers</h2>
           <span translate>shutdown-automations.triggers.whenAsleepDuration.description</span>
         </div>
         <div class="setting-row-action">
-          <div class="input-wrapper">
-            <input
-              type="time"
-              step="1"
-              [value]="onSleepDurationString"
-              (change)="onSleepDurationChange(onSleepDurationInput.value)"
-              #onSleepDurationInput
-            />
-          </div>
+          <app-duration-input-setting
+            [value]="config.triggerOnSleepDuration"
+            (valueChange)="onSleepDurationChange($event)"
+          ></app-duration-input-setting>
         </div>
       </div>
 
@@ -117,15 +112,10 @@ <h2 translate>shutdown-automations.triggers.triggers</h2>
           <span translate>shutdown-automations.triggers.whenAloneDuration.description</span>
         </div>
         <div class="setting-row-action">
-          <div class="input-wrapper">
-            <input
-              type="time"
-              step="1"
-              [value]="whenAloneDurationString"
-              (change)="whenAloneDurationChange(whenAloneDurationInput.value)"
-              #whenAloneDurationInput
-            />
-          </div>
+          <app-duration-input-setting
+            [value]="config.triggerWhenAloneDuration"
+            (valueChange)="whenAloneDurationChange($event)"
+          ></app-duration-input-setting>
         </div>
       </div>
 
diff --git a/src-ui/app/views/dashboard-view/views/shutdown-automations-view/tabs/shutdown-automations-triggers-tab/shutdown-automations-triggers-tab.component.ts b/src-ui/app/views/dashboard-view/views/shutdown-automations-view/tabs/shutdown-automations-triggers-tab/shutdown-automations-triggers-tab.component.ts
index 79955ae3..3ad649a4 100644
--- a/src-ui/app/views/dashboard-view/views/shutdown-automations-view/tabs/shutdown-automations-triggers-tab/shutdown-automations-triggers-tab.component.ts
+++ b/src-ui/app/views/dashboard-view/views/shutdown-automations-view/tabs/shutdown-automations-triggers-tab/shutdown-automations-triggers-tab.component.ts
@@ -22,8 +22,6 @@ export class ShutdownAutomationsTriggersTabComponent implements OnInit {
   protected onSleepActivationWindowEnd = '00:00';
   protected whenAloneActivationWindowStart = '00:00';
   protected whenAloneActivationWindowEnd = '00:00';
-  protected onSleepDurationString = '00:00:00';
-  protected whenAloneDurationString = '00:00:00';
 
   constructor(private automationConfigs: AutomationConfigService, private destroyRef: DestroyRef) {}
 
@@ -32,14 +30,12 @@ export class ShutdownAutomationsTriggersTabComponent implements OnInit {
       .pipe(takeUntilDestroyed(this.destroyRef))
       .subscribe((configs) => {
         this.config = configs.SHUTDOWN_AUTOMATIONS;
-        this.onSleepDurationString = this.durationToString(this.config.triggerOnSleepDuration);
         this.onSleepActivationWindowStart = this.config.triggerOnSleepActivationWindowStart
           .map((v) => v.toString().padStart(2, '0'))
           .join(':');
         this.onSleepActivationWindowEnd = this.config.triggerOnSleepActivationWindowEnd
           .map((v) => v.toString().padStart(2, '0'))
           .join(':');
-        this.whenAloneDurationString = this.durationToString(this.config.triggerWhenAloneDuration);
         this.whenAloneActivationWindowStart = this.config.triggerWhenAloneActivationWindowStart
           .map((v) => v.toString().padStart(2, '0'))
           .join(':');
@@ -75,12 +71,7 @@ export class ShutdownAutomationsTriggersTabComponent implements OnInit {
     );
   }
 
-  async onSleepDurationChange(value: string) {
-    let [hours, minutes, seconds] = value.split(':').map((v) => parseInt(v));
-    if (isNaN(hours)) hours = 0;
-    if (isNaN(minutes)) minutes = 0;
-    if (isNaN(seconds)) seconds = 0;
-    const duration = (hours * 3600 + minutes * 60 + seconds) * 1000;
+  async onSleepDurationChange(duration: number) {
     await this.automationConfigs.updateAutomationConfig<ShutdownAutomationsConfig>(
       'SHUTDOWN_AUTOMATIONS',
       {
@@ -89,12 +80,7 @@ export class ShutdownAutomationsTriggersTabComponent implements OnInit {
     );
   }
 
-  async whenAloneDurationChange(value: string) {
-    let [hours, minutes, seconds] = value.split(':').map((v) => parseInt(v));
-    if (isNaN(hours)) hours = 0;
-    if (isNaN(minutes)) minutes = 0;
-    if (isNaN(seconds)) seconds = 0;
-    const duration = (hours * 3600 + minutes * 60 + seconds) * 1000;
+  async whenAloneDurationChange(duration: number) {
     await this.automationConfigs.updateAutomationConfig<ShutdownAutomationsConfig>(
       'SHUTDOWN_AUTOMATIONS',
       {