diff --git a/decorations/decoratedclient.h b/decorations/decoratedclient.h
--- a/decorations/decoratedclient.h
+++ b/decorations/decoratedclient.h
@@ -23,7 +23,9 @@
 
 #include <KDecoration2/Private/DecoratedClientPrivate>
 
+#include <QDeadlineTimer>
 #include <QObject>
+#include <QTimer>
 
 namespace KWin
 {
@@ -109,6 +111,10 @@
     QSize m_clientSize;
     Renderer *m_renderer;
     QMetaObject::Connection m_compositorToggledConnection;
+
+    QString m_toolTipText;
+    QTimer m_toolTipWakeUp;
+    QDeadlineTimer m_toolTipFallAsleep;
 };
 
 }
diff --git a/decorations/decoratedclient.cpp b/decorations/decoratedclient.cpp
--- a/decorations/decoratedclient.cpp
+++ b/decorations/decoratedclient.cpp
@@ -31,6 +31,7 @@
 #include <KDecoration2/Decoration>
 
 #include <QDebug>
+#include <QStyle>
 #include <QToolTip>
 
 namespace KWin
@@ -114,6 +115,16 @@
 
     connect(client, &AbstractClient::hasApplicationMenuChanged, decoratedClient, &KDecoration2::DecoratedClient::hasApplicationMenuChanged);
     connect(client, &AbstractClient::applicationMenuActiveChanged, decoratedClient, &KDecoration2::DecoratedClient::applicationMenuActiveChanged);
+
+    m_toolTipWakeUp.setSingleShot(true);
+    connect(&m_toolTipWakeUp, &QTimer::timeout, this,
+            [this]() {
+                int fallAsleepDelay = QApplication::style()->styleHint(QStyle::SH_ToolTip_FallAsleepDelay);
+                this->m_toolTipFallAsleep.setRemainingTime(fallAsleepDelay);
+
+                QToolTip::showText(Cursor::pos(), this->m_toolTipText);
+            }
+    );
 }
 
 DecoratedClientImpl::~DecoratedClientImpl() = default;
@@ -203,12 +214,15 @@
 
 void DecoratedClientImpl::requestShowToolTip(const QString &text)
 {
-    QPoint pos = Cursor::pos();
-    QToolTip::showText(pos, text);
+    m_toolTipText = text;
+
+    int wakeUpDelay = QApplication::style()->styleHint(QStyle::SH_ToolTip_WakeUpDelay);
+    m_toolTipWakeUp.start(m_toolTipFallAsleep.hasExpired() ? wakeUpDelay : 20);
 }
 
 void DecoratedClientImpl::requestHideToolTip()
 {
+    m_toolTipWakeUp.stop();
     QToolTip::hideText();
 }