diff --git a/bin/lib/chats_viewer.py b/bin/lib/chats_viewer.py
index 79fbd477..f6f56449 100755
--- a/bin/lib/chats_viewer.py
+++ b/bin/lib/chats_viewer.py
@@ -11,6 +11,7 @@ import sys
 import time
 import uuid
 
+from datetime import datetime
 
 sys.path.append(os.environ['AIL_BIN'])
 ##################################
@@ -397,6 +398,33 @@ def get_user_account_chats_meta(user_id, chats, subchannels):
         meta.append(chat_meta)
     return meta
 
+
+def get_user_account_nb_all_week_messages(user_id, chats, subchannels):
+    week = {}
+    # Init
+    for day in ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']:
+        week[day] = {}
+        for i in range(24):
+            week[day][i] = 0
+
+    # chats
+    for chat_g_id in chats:
+        c_subtype, c_id = chat_g_id.split(':', 1)
+        chat = Chats.Chat(c_id, c_subtype)
+        for message in chat.get_user_messages(user_id):
+            timestamp = message.split('/', 2)[1]
+            timestamp = datetime.utcfromtimestamp(float(timestamp))
+            date_name = timestamp.strftime('%a')
+            week[date_name][timestamp.hour] += 1
+
+    stats = []
+    nb_day = 0
+    for day in week:
+        for hour in week[day]:
+            stats.append({'date': day, 'day': nb_day, 'hour': hour, 'count': week[day][hour]})
+        nb_day += 1
+    return stats
+
 #### FIX ####
 
 def fix_correlations_subchannel_message():
@@ -535,6 +563,13 @@ def api_get_user_account(user_id, instance_uuid, translation_target=None):
         meta['chats'] = get_user_account_chats_meta(user_id, meta['chats'], meta['subchannels'])
     return meta, 200
 
+def api_get_user_account_nb_all_week_messages(user_id, instance_uuid):
+    user_account = UsersAccount.UserAccount(user_id, instance_uuid)
+    if not user_account.exists():
+        return {"status": "error", "reason": "Unknown user-account"}, 404
+    week = get_user_account_nb_all_week_messages(user_account.id, user_account.get_chats(), user_account.get_chat_subchannels())
+    return week, 200
+
 def api_chat_messages(subtype, chat_id):
     chat = Chats.Chat(chat_id, subtype)
     if not chat.exists():
diff --git a/var/www/blueprints/chats_explorer.py b/var/www/blueprints/chats_explorer.py
index 1a53ef8f..6d8d2091 100644
--- a/var/www/blueprints/chats_explorer.py
+++ b/var/www/blueprints/chats_explorer.py
@@ -296,3 +296,18 @@ def objects_user_account():
         return render_template('user_account.html', meta=user_account, bootstrap_label=bootstrap_label,
                                ail_tags=Tag.get_modal_add_tags(user_account['id'], user_account['type'], user_account['subtype']),
                                translation_languages=languages, translation_target=target)
+
+@chats_explorer.route("objects/user-account/messages/stats/week/all", methods=['GET'])
+@login_required
+@login_read_only
+def user_account_messages_stats_week_all():
+    instance_uuid = request.args.get('subtype')
+    user_id = request.args.get('id')
+    week = chats_viewer.api_get_user_account_nb_all_week_messages(user_id, instance_uuid)
+    if week[1] != 200:
+        return create_json_response(week[0], week[1])
+    else:
+        return jsonify(week[0])
+
+
+
diff --git a/var/www/templates/chats_explorer/user_account.html b/var/www/templates/chats_explorer/user_account.html
index 49a3380b..188779b2 100644
--- a/var/www/templates/chats_explorer/user_account.html
+++ b/var/www/templates/chats_explorer/user_account.html
@@ -39,6 +39,9 @@
                 {% endwith %}
 
                 {% if meta['chats'] %}
+                    <h4 class="mx-5 mt-2 text-secondary">User All Messages:</h4>
+                    <div id="heatmapweekhourall"></div>
+
                     <h4>User Chats:</h4>
                     {% for meta_chats in meta['chats'] %}
                         <div class="my-2">
@@ -69,6 +72,11 @@
 {#        {% endif %}#}
   });
 
+d3.json("{{ url_for('chats_explorer.user_account_messages_stats_week_all') }}?subtype={{ meta['subtype'] }}&id={{ meta['id'] }}")
+    .then(function(data) {
+        create_heatmap_week_hour('#heatmapweekhourall', data);
+    })
+
 function toggle_sidebar(){
 	if($('#nav_menu').is(':visible')){
 		$('#nav_menu').hide();