diff --git a/CMakeLists.txt b/CMakeLists.txt
index 920f43355..4ef9bcec5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -189,7 +189,7 @@ qt4_add_dbus_interfaces(okularpart_SRCS ${KDE4_DBUS_INTERFACES_DIR}/org.kde.KSpe
 
 kde4_add_plugin(okularpart ${okularpart_SRCS})
 
-target_link_libraries(okularpart okularcore ${KDE4_KPARTS_LIBS} ${KDE4_KPRINTUTILS_LIBS} ${MATH_LIB} ${QIMAGEBLITZ_LIBRARIES} ${KDE4_PHONON_LIBRARY})
+target_link_libraries(okularpart okularcore ${KDE4_KPARTS_LIBS} ${KDE4_KPRINTUTILS_LIBS} ${MATH_LIB} ${QIMAGEBLITZ_LIBRARIES} ${KDE4_PHONON_LIBRARY} ${KDE4_SOLID_LIBRARY})
 
 install(TARGETS okularpart DESTINATION ${PLUGIN_INSTALL_DIR})
 
diff --git a/ui/presentationwidget.cpp b/ui/presentationwidget.cpp
index 7c3f6183e..cdcfc4b51 100644
--- a/ui/presentationwidget.cpp
+++ b/ui/presentationwidget.cpp
@@ -41,6 +41,8 @@
 #include <kshortcut.h>
 #include <kdialog.h>
 
+#include <Solid/PowerManagement>
+
 // system includes
 #include <stdlib.h>
 #include <math.h>
@@ -1391,14 +1393,19 @@ void PresentationWidget::applyNewScreenSize( const QSize & oldSize )
 
 void PresentationWidget::inhibitScreenSaver()
 {
+    QString reason = i18nc( "Reason for inhibiting the screensaver activation, when the presentation mode is active", "Giving a presentation" );
     QDBusMessage message = QDBusMessage::createMethodCall( "org.freedesktop.ScreenSaver", "/ScreenSaver",
                                                            "org.freedesktop.ScreenSaver", "Inhibit" );
     message << QString( "Okular" );
-    message << i18nc( "Reason for inhibiting the screensaver activation, when the presentation mode is active", "Giving a presentation" );
+    message << reason;
 
     QDBusReply<uint> reply = QDBusConnection::sessionBus().call( message );
     if ( reply.isValid() )
         m_screenSaverCookie = reply.value();
+
+    // Inhibit screen and sleep
+    m_screenInhibitCookie = Solid::PowerManagement::beginSuppressingScreenPowerManagement(reason);
+    m_sleepInhibitCookie = Solid::PowerManagement::beginSuppressingSleep(reason);
 }
 
 void PresentationWidget::allowScreenSaver()
@@ -1410,6 +1417,10 @@ void PresentationWidget::allowScreenSaver()
         message << (uint)m_screenSaverCookie;
         QDBusConnection::sessionBus().send( message );
     }
+
+    // Remove cookies
+    Solid::PowerManagement::stopSuppressingScreenPowerManagement(m_screenInhibitCookie);
+    Solid::PowerManagement::stopSuppressingSleep(m_sleepInhibitCookie);
 }
 
 void PresentationWidget::showTopBar( bool show )
diff --git a/ui/presentationwidget.h b/ui/presentationwidget.h
index d7b21d674..eac27310c 100644
--- a/ui/presentationwidget.h
+++ b/ui/presentationwidget.h
@@ -105,6 +105,8 @@ class PresentationWidget : public QWidget, public Okular::DocumentObserver
         QRect m_drawingRect;
         int m_screen;
         int m_screenSaverCookie;
+        int m_screenInhibitCookie;
+        int m_sleepInhibitCookie;
 
         // transition related
         QTimer * m_transitionTimer;