diff --git a/src/biomon/forms.py b/src/biomon/forms.py
index 7861397..d7bb59b 100644
--- a/src/biomon/forms.py
+++ b/src/biomon/forms.py
@@ -57,6 +57,22 @@ class SimpleAlertProfileForm(forms.ModelForm):
     t_min_dangerous = forms.DecimalField(
         label=_(u'Minimum dangerous temperature'),
         max_digits=5, decimal_places=2, localize=True,required=False)
+    duration_hr_max_critical = forms.IntegerField(
+        label=_(u'Minimal duration'), required=False)
+    duration_hr_min_critical = forms.IntegerField(
+        label=_(u'Minimal duration'), required=False)
+    duration_hr_max_dangerous = forms.IntegerField(
+        label=_(u'Minimal duration'), required=False)
+    duration_hr_min_dangerous = forms.IntegerField(
+        label=_(u'Minimal duration'), required=False)
+    duration_t_max_critical = forms.DecimalField(
+        label=_(u'Minimal duration'), required=False)
+    duration_t_min_critical = forms.DecimalField(
+        label=_(u'Minimal duration'), required=False)
+    duration_t_max_dangerous = forms.DecimalField(
+        label=_(u'Minimal duration'), required=False)
+    duration_t_min_dangerous = forms.DecimalField(
+        label=_(u'Minimal duration'), required=False)
 
     class Meta:
         model = models.Patient
diff --git a/src/biomon/medibot/watcher.py b/src/biomon/medibot/watcher.py
index d08044c..cb77a6f 100644
--- a/src/biomon/medibot/watcher.py
+++ b/src/biomon/medibot/watcher.py
@@ -100,11 +100,14 @@ class Watcher:
                 duration = self.default_episode_duration
                 data_needed_count = self.data_needed_count
                 if len(definition) > 4:
-                    duration = int(definition[4])
-                    data_needed_count = \
-                        (duration / self.reception_period) * self.data_needed_rate
-                    if data_needed_count < 2:
-                        data_needed_count = 2
+                    try:
+                        duration = int(definition[4])
+                        data_needed_count = \
+                            (duration / self.reception_period) * self.data_needed_rate
+                        if data_needed_count < 2:
+                            data_needed_count = 2
+                    except:
+                        pass
                 backend = whisper_backend.WhisperBackend(str(patient_id),
                         settings.SENSOR_MAPPING[definition[1]])
                 data = backend.get_timestamped_data(duration + self.reception_period, None)
@@ -157,17 +160,21 @@ class Watcher:
         if sap:
             for k in settings.SENSOR_MAPPING:
                 value = sap.get(k.lower() + '_max_critical', None)
+                duration = sap.get('duration_' + k.lower() + '_max_critical', None)
                 if value:
-                    l.append(('CRITICAL', k, '>', value))
+                    l.append(('CRITICAL', k, '>', value, duration))
                 value = sap.get(k.lower() + '_min_critical', None)
+                duration = sap.get('duration_' + k.lower() + '_min_critical', None)
                 if value:
-                    l.append(('CRITICAL', k, '<', value))
+                    l.append(('CRITICAL', k, '<', value, duration))
                 value = sap.get(k.lower() + '_max_dangerous', None)
+                duration = sap.get('duration_' + k.lower() + '_max_dangerous', None)
                 if value:
-                    l.append(('DANGEROUS', k, '>', value))
+                    l.append(('DANGEROUS', k, '>', value, duration))
                 value = sap.get(k.lower() + '_min_dangerous', None)
+                duration = sap.get('duration_' + k.lower() + '_min_dangerous', None)
                 if value:
-                    l.append(('DANGEROUS', k, '<', value))
+                    l.append(('DANGEROUS', k, '<', value, duration))
         return l
 
     def simple_episode_watcher(self):
diff --git a/src/biomon/static/biomon/css/biomonitor.css b/src/biomon/static/biomon/css/biomonitor.css
index 823eda4..9fa152e 100644
--- a/src/biomon/static/biomon/css/biomonitor.css
+++ b/src/biomon/static/biomon/css/biomonitor.css
@@ -828,7 +828,7 @@ color: purple;
 div.sap-metric {
 color: #FFF;
 border-color: rgba(255, 255, 255, 0.12);
-width: 370px;
+width: 456px;
 font-size: 13px;
 background: none repeat scroll 0% 0% rgba(255, 255, 255, 0.1);
 border-radius: 3px;
@@ -839,23 +839,40 @@ padding: 12px 24px;
 margin: 20px;
 }
 
+div.sap-metric div{
+display:inline-block;
+}
+
+div.sap-metric div.title{
+display:block;
+}
+
+
+div.sap-metric div label {
+font-weight: 600;
+display:block;
+}
+
 div.sap-metric div input{
 color: #FFF;
 border-color: rgba(255, 255, 255, 0.12);
-width: 346px;
+width: 280px;
 font-size: 13px;
 height: 32px;
 background: none repeat scroll 0% 0% rgba(255, 255, 255, 0.1);
 font-weight: 400;
 border-radius: 3px;
 vertical-align: middle;
-display:inline-block;
 box-shadow: none;
 padding: 6px 12px;
 margin-bottom: 10px;
 transition: border-color 0.15s ease-in-out 0s, box-shadow 0.15s ease-in-out 0s;
 }
 
+div.sap-metric div:nth-child(odd) input{
+width: 120px;
+}
+
 div.sap-metric div.critical input{
 border: 1px solid red;
 }
@@ -869,10 +886,6 @@ border: 1px solid white;
 box-shadow: 0px 1px rgba(255, 255, 255, 0.1) inset, -1px 0px rgba(0, 0, 0, 0.1) inset, 1px 0px rgba(0, 0, 0, 0.1) inset, 0px -1px rgba(0, 0, 0, 0.6) inset;
 }
 
-div.sap-metric div label {
-font-weight: 600;
-}
-
 div.sap-metric input[type=submit]{
 border: none;
 background: #0972a5;
diff --git a/src/biomon/templates/biomon/patient_detail.html b/src/biomon/templates/biomon/patient_detail.html
index dd22714..bed351e 100644
--- a/src/biomon/templates/biomon/patient_detail.html
+++ b/src/biomon/templates/biomon/patient_detail.html
@@ -119,51 +119,91 @@
         <form action="" method="post" id="patient-alert-profile-form">{% csrf_token %}
             {{ forms.simple_alert_profile.non_field_errors }}
             <div class="sap-metric">
-                <i class="fa fa-heart"></i> {% trans "Heartrate" %}
+                <div class="title"><i class="fa fa-heart"></i> {% trans "Heartrate" %}</div>
                 <div class="critical">
                     {{ forms.simple_alert_profile.hr_max_critical.errors }}
                     {{ forms.simple_alert_profile.hr_max_critical.label_tag }}
                     {{ forms.simple_alert_profile.hr_max_critical }}
                 </div>
+                <div class="critical">
+                    {{ forms.simple_alert_profile.duration_hr_max_critical.errors }}
+                    {{ forms.simple_alert_profile.duration_hr_max_critical.label_tag }}
+                    {{ forms.simple_alert_profile.duration_hr_max_critical }}
+                </div>
                 <div class="critical">
                     {{ forms.simple_alert_profile.hr_min_critical.errors }}
                     {{ forms.simple_alert_profile.hr_min_critical.label_tag }}
                     {{ forms.simple_alert_profile.hr_min_critical }}
                 </div>
+                <div class="critical">
+                    {{ forms.simple_alert_profile.duration_hr_min_critical.errors }}
+                    {{ forms.simple_alert_profile.duration_hr_min_critical.label_tag }}
+                    {{ forms.simple_alert_profile.duration_hr_min_critical }}
+                </div>
                 <div class="dangerous">
                     {{ forms.simple_alert_profile.hr_max_dangerous.errors }}
                     {{ forms.simple_alert_profile.hr_max_dangerous.label_tag }}
                     {{ forms.simple_alert_profile.hr_max_dangerous }}
                 </div>
+                <div class="dangerous">
+                    {{ forms.simple_alert_profile.duration_hr_max_dangerous.errors }}
+                    {{ forms.simple_alert_profile.duration_hr_max_dangerous.label_tag }}
+                    {{ forms.simple_alert_profile.duration_hr_max_dangerous }}
+                </div>
                 <div class="dangerous">
                     {{ forms.simple_alert_profile.hr_min_dangerous.errors }}
                     {{ forms.simple_alert_profile.hr_min_dangerous.label_tag }}
                     {{ forms.simple_alert_profile.hr_min_dangerous }}
                 </div>
+                <div class="dangerous">
+                    {{ forms.simple_alert_profile.duration_hr_min_dangerous.errors }}
+                    {{ forms.simple_alert_profile.duration_hr_min_dangerous.label_tag }}
+                    {{ forms.simple_alert_profile.duration_hr_min_dangerous }}
+                </div>
                 <input type="submit" value="{% trans "Validate" %}"/>
             </div>
             <div class="sap-metric">
-                <i class="wi wi-thermometer-exterior"></i> {% trans "Temperature" %}
+                <div class="title"><i class="wi wi-thermometer-exterior"></i> {% trans "Temperature" %}</div>
                 <div class="critical">
                     {{ forms.simple_alert_profile.t_max_critical.errors }}
                     {{ forms.simple_alert_profile.t_max_critical.label_tag }}
                     {{ forms.simple_alert_profile.t_max_critical }}
                 </div>
+                <div class="critical">
+                    {{ forms.simple_alert_profile.duration_t_max_critical.errors }}
+                    {{ forms.simple_alert_profile.duration_t_max_critical.label_tag }}
+                    {{ forms.simple_alert_profile.duration_t_max_critical }}
+                </div>
                 <div class="critical">
                     {{ forms.simple_alert_profile.t_min_critical.errors }}
                     {{ forms.simple_alert_profile.t_min_critical.label_tag }}
                     {{ forms.simple_alert_profile.t_min_critical }}
                 </div>
+                <div class="critical">
+                    {{ forms.simple_alert_profile.duration_t_min_critical.errors }}
+                    {{ forms.simple_alert_profile.duration_t_min_critical.label_tag }}
+                    {{ forms.simple_alert_profile.duration_t_min_critical }}
+                </div>
                 <div class="dangerous">
                     {{ forms.simple_alert_profile.t_max_dangerous.errors }}
                     {{ forms.simple_alert_profile.t_max_dangerous.label_tag }}
                     {{ forms.simple_alert_profile.t_max_dangerous }}
                 </div>
+                <div class="dangerous">
+                    {{ forms.simple_alert_profile.duration_t_max_dangerous.errors }}
+                    {{ forms.simple_alert_profile.duration_t_max_dangerous.label_tag }}
+                    {{ forms.simple_alert_profile.duration_t_max_dangerous }}
+                </div>
                 <div class="dangerous">
                     {{ forms.simple_alert_profile.t_min_dangerous.errors }}
                     {{ forms.simple_alert_profile.t_min_dangerous.label_tag }}
                     {{ forms.simple_alert_profile.t_min_dangerous }}
                 </div>
+                <div class="dangerous">
+                    {{ forms.simple_alert_profile.duration_t_min_dangerous.errors }}
+                    {{ forms.simple_alert_profile.duration_t_min_dangerous.label_tag }}
+                    {{ forms.simple_alert_profile.duration_t_min_dangerous }}
+                </div>
                 <input type="submit" value="{% trans "Validate" %}"/>
             </div>
             {% if display_alert_profile %}<div class="sap-metric">