diff --git a/alerts.c b/alerts.c
index 536ea750..d1fb0fce 100644
--- a/alerts.c
+++ b/alerts.c
@@ -29,6 +29,7 @@ int	alerts_enabled(struct window *, int);
 void	alerts_callback(int, short, void *);
 void	alerts_reset(struct window *);
 
+void	alerts_run_hook(struct session *, struct winlink *, int);
 int	alerts_check_all(struct session *, struct winlink *);
 int	alerts_check_bell(struct session *, struct winlink *);
 int	alerts_check_activity(struct session *, struct winlink *);
@@ -55,8 +56,6 @@ alerts_callback(__unused int fd, __unused short events, __unused void *arg)
 
 	RB_FOREACH(w, windows, &windows) {
 		RB_FOREACH(s, sessions, &sessions) {
-			if (s->flags & SESSION_UNATTACHED)
-				continue;
 			RB_FOREACH(wl, winlinks, &s->windows) {
 				if (wl->window != w)
 					continue;
@@ -73,6 +72,22 @@ alerts_callback(__unused int fd, __unused short events, __unused void *arg)
 	alerts_fired = 0;
 }
 
+void
+alerts_run_hook(struct session *s, struct winlink *wl, int flags)
+{
+	struct cmd_find_state	 fs;
+
+	if (cmd_find_from_winlink(&fs, s, wl) != 0)
+		return;
+
+	if (flags & WINDOW_BELL)
+		hooks_run(s->hooks, NULL, &fs, "alert-bell");
+	if (flags & WINDOW_SILENCE)
+		hooks_run(s->hooks, NULL, &fs, "alert-silence");
+	if (flags & WINDOW_ACTIVITY)
+		hooks_run(s->hooks, NULL, &fs, "alert-activity");
+}
+
 int
 alerts_check_all(struct session *s, struct winlink *wl)
 {
@@ -81,8 +96,10 @@ alerts_check_all(struct session *s, struct winlink *wl)
 	alerts  = alerts_check_bell(s, wl);
 	alerts |= alerts_check_activity(s, wl);
 	alerts |= alerts_check_silence(s, wl);
-	if (alerts != 0)
+	if (alerts != 0) {
+		alerts_run_hook(s, wl, alerts);
 		server_status_session(s);
+	}
 
 	return (alerts);
 }
diff --git a/cmd-find.c b/cmd-find.c
index 9b1ca517..68aaf121 100644
--- a/cmd-find.c
+++ b/cmd-find.c
@@ -879,6 +879,22 @@ cmd_find_from_session(struct cmd_find_state *fs, struct session *s)
 	return (0);
 }
 
+/* Find state from a winlink. */
+int
+cmd_find_from_winlink(struct cmd_find_state *fs, struct session *s,
+    struct winlink *wl)
+{
+	cmd_find_clear_state(fs, NULL, 0);
+
+	fs->s = s;
+	fs->wl = wl;
+	fs->w = wl->window;
+	fs->wp = wl->window->active;
+
+	cmd_find_log_state(__func__, fs);
+	return (0);
+}
+
 /* Find state from a window. */
 int
 cmd_find_from_window(struct cmd_find_state *fs, struct window *w)
diff --git a/tmux.1 b/tmux.1
index 9017b4e7..159a4bd9 100644
--- a/tmux.1
+++ b/tmux.1
@@ -3224,6 +3224,16 @@ Each hook has a
 .Em name .
 The following hooks are available:
 .Bl -tag -width "XXXXXXXXXXXXXXXX"
+.It alert-activity
+Run when a window has activity.
+See
+.Ic monitor-activity .
+.It alert-bell
+Run when a window has received a bell.
+.It alert-silence
+Run when a window has been silent.
+See
+.Ic monitor-silence .
 .It client-attached
 Run when a client is attached.
 .It client-detached
diff --git a/tmux.h b/tmux.h
index dbea85bf..55fe407f 100644
--- a/tmux.h
+++ b/tmux.h
@@ -1780,6 +1780,8 @@ void		 cmd_find_copy_state(struct cmd_find_state *,
 void		 cmd_find_log_state(const char *, struct cmd_find_state *);
 int		 cmd_find_from_session(struct cmd_find_state *,
 		     struct session *);
+int		 cmd_find_from_winlink(struct cmd_find_state *,
+		     struct session *, struct winlink *);
 int		 cmd_find_from_window(struct cmd_find_state *, struct window *);
 int		 cmd_find_from_pane(struct cmd_find_state *,
 		     struct window_pane *);