diff --git a/core/PlayerManager.cpp b/core/PlayerManager.cpp
index 3feb79478e..1d541daa36 100644
--- a/core/PlayerManager.cpp
+++ b/core/PlayerManager.cpp
@@ -59,6 +59,8 @@ bool g_OnMapStarted = false;
 IForward *PreAdminCheck = NULL;
 IForward *PostAdminCheck = NULL;
 IForward *PostAdminFilter = NULL;
+IForward *ServerEnterHibernation = NULL;
+IForward *ServerExitHibernation = NULL;
 
 const unsigned int *g_NumPlayersToAuth = NULL;
 int lifestate_offset = -1;
@@ -203,6 +205,8 @@ void PlayerManager::OnSourceModAllInitialized()
 	PreAdminCheck = forwardsys->CreateForward("OnClientPreAdminCheck", ET_Event, 1, p1);
 	PostAdminCheck = forwardsys->CreateForward("OnClientPostAdminCheck", ET_Ignore, 1, p1);
 	PostAdminFilter = forwardsys->CreateForward("OnClientPostAdminFilter", ET_Ignore, 1, p1);
+	ServerEnterHibernation = forwardsys->CreateForward("OnServerEnterHibernation", ET_Ignore, 0, NULL);
+	ServerExitHibernation = forwardsys->CreateForward("OnServerExitHibernation", ET_Ignore, 0, NULL);
 
 	m_bIsListenServer = !engine->IsDedicatedServer();
 	m_ListenClient = 0;
@@ -254,6 +258,8 @@ void PlayerManager::OnSourceModShutdown()
 	forwardsys->ReleaseForward(PreAdminCheck);
 	forwardsys->ReleaseForward(PostAdminCheck);
 	forwardsys->ReleaseForward(PostAdminFilter);
+	forwardsys->ReleaseForward(ServerEnterHibernation);
+	forwardsys->ReleaseForward(ServerExitHibernation);
 
 	delete [] m_Players;
 
@@ -778,6 +784,11 @@ void PlayerManager::OnSourceModLevelEnd()
 
 void PlayerManager::OnServerHibernationUpdate(bool bHibernating)
 {
+	cell_t res;
+	if (bHibernating)
+		ServerEnterHibernation->Execute(&res);
+	else
+		ServerExitHibernation->Execute(&res);
 	/* If bots were added at map start, but not fully inited before hibernation, there will
 	 * be no OnClientDisconnect for them, despite them getting booted right before this.
 	 */
diff --git a/plugins/include/clients.inc b/plugins/include/clients.inc
index d88262f1c1..51ed0bb1ef 100644
--- a/plugins/include/clients.inc
+++ b/plugins/include/clients.inc
@@ -215,6 +215,18 @@ forward Action OnClientPreAdminCheck(int client);
  */
 forward void OnClientPostAdminFilter(int client);
 
+/**
+ * Called directly before the server enters hibernation.
+ * This is your last chance to do anything in the plugin before
+ * hibernation occurs, as SV_Frame will no longer be called.
+ */
+forward void OnServerEnterHibernation();
+
+/**
+ * Called directly before the server leaves hibernation.
+ */
+forward void OnServerExitHibernation();
+
 /**
  * Called once a client is authorized and fully in-game, and 
  * after all post-connection authorizations have been performed.