diff --git a/include/rootston/desktop.h b/include/rootston/desktop.h
index 8d706b65..9dfd7b10 100644
--- a/include/rootston/desktop.h
+++ b/include/rootston/desktop.h
@@ -13,6 +13,7 @@
 #include <wlr/types/wlr_primary_selection.h>
 #include <wlr/types/wlr_screenshooter.h>
 #include <wlr/types/wlr_list.h>
+#include <wlr/types/wlr_idle.h>
 #include "rootston/view.h"
 #include "rootston/config.h"
 
@@ -44,6 +45,7 @@ struct roots_desktop {
 	struct wlr_screenshooter *screenshooter;
 	struct wlr_server_decoration_manager *server_decoration_manager;
 	struct wlr_primary_selection_device_manager *primary_selection_device_manager;
+	struct wlr_idle *idle;
 
 	struct wl_listener output_add;
 	struct wl_listener output_remove;
diff --git a/rootston/desktop.c b/rootston/desktop.c
index b74e2cb1..d7da1600 100644
--- a/rootston/desktop.c
+++ b/rootston/desktop.c
@@ -8,6 +8,7 @@
 #include <wlr/types/wlr_compositor.h>
 #include <wlr/types/wlr_cursor.h>
 #include <wlr/types/wlr_gamma_control.h>
+#include <wlr/types/wlr_idle.h>
 #include <wlr/types/wlr_primary_selection.h>
 #include <wlr/types/wlr_server_decoration.h>
 #include <wlr/types/wlr_output_layout.h>
@@ -502,6 +503,7 @@ struct roots_desktop *desktop_create(struct roots_server *server,
 		WLR_SERVER_DECORATION_MANAGER_MODE_CLIENT);
 	desktop->primary_selection_device_manager =
 		wlr_primary_selection_device_manager_create(server->wl_display);
+	desktop->idle = wlr_idle_create(server->wl_display);
 
 	return desktop;
 }
diff --git a/rootston/seat.c b/rootston/seat.c
index 2728ca96..130c7b27 100644
--- a/rootston/seat.c
+++ b/rootston/seat.c
@@ -5,6 +5,7 @@
 #include <wlr/config.h>
 #include <wlr/types/wlr_xcursor_manager.h>
 #include <wlr/util/log.h>
+#include <wlr/types/wlr_idle.h>
 #include "rootston/xcursor.h"
 #include "rootston/input.h"
 #include "rootston/seat.h"
@@ -14,6 +15,8 @@
 static void handle_keyboard_key(struct wl_listener *listener, void *data) {
 	struct roots_keyboard *keyboard =
 		wl_container_of(listener, keyboard, keyboard_key);
+	struct roots_desktop *desktop = keyboard->input->server->desktop;
+	wlr_idle_notify_activity(desktop->idle, keyboard->seat->seat);
 	struct wlr_event_keyboard_key *event = data;
 	roots_keyboard_handle_key(keyboard, event);
 }
@@ -22,12 +25,16 @@ static void handle_keyboard_modifiers(struct wl_listener *listener,
 		void *data) {
 	struct roots_keyboard *keyboard =
 		wl_container_of(listener, keyboard, keyboard_modifiers);
+	struct roots_desktop *desktop = keyboard->input->server->desktop;
+	wlr_idle_notify_activity(desktop->idle, keyboard->seat->seat);
 	roots_keyboard_handle_modifiers(keyboard);
 }
 
 static void handle_cursor_motion(struct wl_listener *listener, void *data) {
 	struct roots_cursor *cursor =
 		wl_container_of(listener, cursor, motion);
+	struct roots_desktop *desktop = cursor->seat->input->server->desktop;
+	wlr_idle_notify_activity(desktop->idle, cursor->seat->seat);
 	struct wlr_event_pointer_motion *event = data;
 	roots_cursor_handle_motion(cursor, event);
 }
@@ -36,6 +43,8 @@ static void handle_cursor_motion_absolute(struct wl_listener *listener,
 		void *data) {
 	struct roots_cursor *cursor =
 		wl_container_of(listener, cursor, motion_absolute);
+	struct roots_desktop *desktop = cursor->seat->input->server->desktop;
+	wlr_idle_notify_activity(desktop->idle, cursor->seat->seat);
 	struct wlr_event_pointer_motion_absolute *event = data;
 	roots_cursor_handle_motion_absolute(cursor, event);
 }
@@ -43,6 +52,8 @@ static void handle_cursor_motion_absolute(struct wl_listener *listener,
 static void handle_cursor_button(struct wl_listener *listener, void *data) {
 	struct roots_cursor *cursor =
 		wl_container_of(listener, cursor, button);
+	struct roots_desktop *desktop = cursor->seat->input->server->desktop;
+	wlr_idle_notify_activity(desktop->idle, cursor->seat->seat);
 	struct wlr_event_pointer_button *event = data;
 	roots_cursor_handle_button(cursor, event);
 }
@@ -50,6 +61,8 @@ static void handle_cursor_button(struct wl_listener *listener, void *data) {
 static void handle_cursor_axis(struct wl_listener *listener, void *data) {
 	struct roots_cursor *cursor =
 		wl_container_of(listener, cursor, axis);
+	struct roots_desktop *desktop = cursor->seat->input->server->desktop;
+	wlr_idle_notify_activity(desktop->idle, cursor->seat->seat);
 	struct wlr_event_pointer_axis *event = data;
 	roots_cursor_handle_axis(cursor, event);
 }
@@ -57,6 +70,8 @@ static void handle_cursor_axis(struct wl_listener *listener, void *data) {
 static void handle_touch_down(struct wl_listener *listener, void *data) {
 	struct roots_cursor *cursor =
 		wl_container_of(listener, cursor, touch_down);
+	struct roots_desktop *desktop = cursor->seat->input->server->desktop;
+	wlr_idle_notify_activity(desktop->idle, cursor->seat->seat);
 	struct wlr_event_touch_down *event = data;
 	roots_cursor_handle_touch_down(cursor, event);
 }
@@ -64,6 +79,8 @@ static void handle_touch_down(struct wl_listener *listener, void *data) {
 static void handle_touch_up(struct wl_listener *listener, void *data) {
 	struct roots_cursor *cursor =
 		wl_container_of(listener, cursor, touch_up);
+	struct roots_desktop *desktop = cursor->seat->input->server->desktop;
+	wlr_idle_notify_activity(desktop->idle, cursor->seat->seat);
 	struct wlr_event_touch_up *event = data;
 	roots_cursor_handle_touch_up(cursor, event);
 }
@@ -71,6 +88,8 @@ static void handle_touch_up(struct wl_listener *listener, void *data) {
 static void handle_touch_motion(struct wl_listener *listener, void *data) {
 	struct roots_cursor *cursor =
 		wl_container_of(listener, cursor, touch_motion);
+	struct roots_desktop *desktop = cursor->seat->input->server->desktop;
+	wlr_idle_notify_activity(desktop->idle, cursor->seat->seat);
 	struct wlr_event_touch_motion *event = data;
 	roots_cursor_handle_touch_motion(cursor, event);
 }
@@ -78,6 +97,8 @@ static void handle_touch_motion(struct wl_listener *listener, void *data) {
 static void handle_tool_axis(struct wl_listener *listener, void *data) {
 	struct roots_cursor *cursor =
 		wl_container_of(listener, cursor, tool_axis);
+	struct roots_desktop *desktop = cursor->seat->input->server->desktop;
+	wlr_idle_notify_activity(desktop->idle, cursor->seat->seat);
 	struct wlr_event_tablet_tool_axis *event = data;
 	roots_cursor_handle_tool_axis(cursor, event);
 }
@@ -85,6 +106,8 @@ static void handle_tool_axis(struct wl_listener *listener, void *data) {
 static void handle_tool_tip(struct wl_listener *listener, void *data) {
 	struct roots_cursor *cursor =
 		wl_container_of(listener, cursor, tool_tip);
+	struct roots_desktop *desktop = cursor->seat->input->server->desktop;
+	wlr_idle_notify_activity(desktop->idle, cursor->seat->seat);
 	struct wlr_event_tablet_tool_tip *event = data;
 	roots_cursor_handle_tool_tip(cursor, event);
 }
@@ -93,6 +116,8 @@ static void handle_request_set_cursor(struct wl_listener *listener,
 		void *data) {
 	struct roots_cursor *cursor =
 		wl_container_of(listener, cursor, request_set_cursor);
+	struct roots_desktop *desktop = cursor->seat->input->server->desktop;
+	wlr_idle_notify_activity(desktop->idle, cursor->seat->seat);
 	struct wlr_seat_pointer_request_set_cursor_event *event = data;
 	roots_cursor_handle_request_set_cursor(cursor, event);
 }