diff --git a/src/app/ScreenManager.cpp b/src/app/ScreenManager.cpp
index aba2495..733683e 100644
--- a/src/app/ScreenManager.cpp
+++ b/src/app/ScreenManager.cpp
@@ -259,6 +259,16 @@ void ScreenManager::dimDisplay(const boolean dimmed)
   _displayDimmed = dimmed;
 }
 
+void ScreenManager::sleep()
+{
+  _displayRef.sleep();
+}
+
+void ScreenManager::wakeUp()
+{
+  _displayRef.wakeUp();
+}
+
 void ScreenManager::orientDisplay(const Orientation orientation)
 {
   _displayRef.setRotation(orientation);
diff --git a/src/app/ScreenManager.h b/src/app/ScreenManager.h
index 8d34d78..5e73f96 100644
--- a/src/app/ScreenManager.h
+++ b/src/app/ScreenManager.h
@@ -17,6 +17,8 @@ class ScreenManager
     void orientDisplay(const Orientation orientation);
     void dimDisplay(const boolean dimmed);
     void clearDisplay(const boolean bufferOnly = false);
+    void sleep();
+    void wakeUp();
     
     Error getError() const;
     const char* getErrorMessage() const;