diff --git a/oscar/statistics.cpp b/oscar/statistics.cpp
index 7962f8e9..ce1cf5a9 100644
--- a/oscar/statistics.cpp
+++ b/oscar/statistics.cpp
@@ -165,6 +165,97 @@ bool rxAHILessThan(const RXItem * rx1, const RXItem * rx2)
     return (double(rx1->ahi) / rx1->hours) < (double(rx2->ahi) / rx2->hours);
 }
 
+void Statistics::updateDisabledInfo()
+{
+    disabledInfo.update( p_profile->LastDay(MT_CPAP), p_profile->FirstDay(MT_CPAP) );
+}
+
+void DisabledInfo::update(QDate latestDate, QDate earliestDate)
+{
+    clear();
+    if (AppSetting->clinicalMode()) return;
+    qint64 complianceLimit = 3600000.0 * p_profile->cpap->complianceHours();  // conbvert to ms
+    totalDays = 1+earliestDate.daysTo(latestDate);
+    for (QDate date = latestDate ; date >= earliestDate ; date=date.addDays(-1) ) {
+        Day* day = p_profile->GetDay(date);
+        if (!day) { daysNoData++; continue;};
+        int numDisabled=0;
+        qint64 sessLength = 0;
+        qint64 dayLength = 0;
+        qint64 complianceLength = 0;
+        //qint64 disableLength = 0;
+        QList<Session *> sessions = day->getSessions(MT_CPAP,true);
+        for (auto & sess : sessions) {
+            sessLength = sess->length();
+            dayLength += sessLength;
+            if (!sess->enabled(true)) {
+                numDisabled ++;
+                numDisabledsessions ++;
+                //disableLength += sessLength;
+                totalDurationOfDisabledSessions += sessLength;
+                if (maxDurationOfaDisabledsession < sessLength) maxDurationOfaDisabledsession = sessLength;
+            } else {
+                complianceLength += sess->length();
+            }
+        }
+        if ( complianceLimit <= complianceLength ) {
+            daysInCompliance ++;
+        } else {
+            if (complianceLimit < dayLength ) {
+                numDaysDisabledSessionChangedCompliance++;
+            } else {
+                daysOutOfCompliance ++;
+            }
+        }
+        if ( numDisabled > 0 ) {
+            numDaysWithDisabledsessions++;
+        };
+    }
+    // convect ms to minutes
+    maxDurationOfaDisabledsession/=60000 ;
+    totalDurationOfDisabledSessions/=60000 ;
+    #if 0
+    DEBUGQ;
+    DEBUGQ;
+    DEBUGFW Q(p_profile->cpap->complianceHours()) ;
+    DEBUGFW Q( totalDays ) ;
+    DEBUGQ;
+    DEBUGFW Q( daysNoData ) ;
+    DEBUGFW Q( daysInCompliance ) ;
+    DEBUGFW Q( daysOutOfCompliance ) ;
+    DEBUGFW Q( numDaysDisabledSessionChangedCompliance ) ;
+    DEBUGQ;
+    DEBUGFW Q( numDisabledsessions ) ;
+    DEBUGFW Q( maxDurationOfaDisabledsession) O("minutes");
+    DEBUGFW Q( totalDurationOfDisabledSessions) O("minutes") ;
+    DEBUGFW Q( numDaysWithDisabledsessions ) ;
+    #endif
+
+};
+
+QString DisabledInfo::display(int type)
+{
+/*
+Warning: As Permissive mode is set (Preferences/Clinical), some sessions are excluded from this report, as follows:
+Total disabled sessions: xx, found in yy days, of which zz days would have caused compliance failures.
+Duration of longest disabled session: aa minutes, Total duration of all disabled sessions: bb minutes.
+*/
+    switch (type) {
+        default :
+        case 0:
+            return QString(QObject::tr("Warning: As Permissive mode is set (Preferences/Clinical), some sessions are excluded from this report"));
+        case 1:
+            return QString(QObject::tr("Total disabled sessions: %1, found in %2 days, of which %3 days would have caused compliance failures")
+                .arg(numDisabledsessions)
+                .arg(numDaysWithDisabledsessions)
+                .arg(numDaysDisabledSessionChangedCompliance) );
+        case 2:
+            return QString(QObject::tr( "Duration of longest disabled session: %1 minutes, Total duration of all disabled sessions: %2 minutes.")
+                .arg(maxDurationOfaDisabledsession)
+                .arg(totalDurationOfDisabledSessions));
+    }
+}
+
 void Statistics::updateRXChanges()
 {
     // Set conditional progress bar.
@@ -537,8 +628,12 @@ Statistics::Statistics(QObject *parent) :
     QObject(parent)
 {
     rows.push_back(StatisticsRow(tr("CPAP Statistics"), SC_HEADING, MT_CPAP));
-    if (!AppSetting->clinicalMode())
-        rows.push_back(StatisticsRow(tr("Permissive Mode Warning: Disabled session data is excluded in this report"),SC_WARNING,MT_CPAP));
+    if (!AppSetting->clinicalMode()) {
+        updateDisabledInfo();
+        rows.push_back(StatisticsRow(disabledInfo.display(0),SC_WARNING ,MT_CPAP));
+        rows.push_back(StatisticsRow(disabledInfo.display(1),SC_WARNING2,MT_CPAP));
+        rows.push_back(StatisticsRow(disabledInfo.display(2),SC_WARNING2,MT_CPAP));
+    }
     rows.push_back(StatisticsRow("",   SC_DAYS, MT_CPAP));
     rows.push_back(StatisticsRow("", SC_COLUMNHEADERS, MT_CPAP));
     rows.push_back(StatisticsRow(tr("CPAP Usage"),  SC_SUBHEADING, MT_CPAP));
@@ -1261,6 +1356,10 @@ QString Statistics::GenerateCPAPUsage()
                 html+=QString("<tr bgcolor='%1'><th colspan=%2 align=center><font size='+1'>%3</font></th></tr>").
                         arg(warning_color).arg(periods.size()+1).arg(row.src);
             continue;
+        } else if (row.calc == SC_WARNING2) {
+                html+=QString("<tr bgcolor='%1'><th colspan=%2 align=center><font size='+0'>%3</font></th></tr>").
+                        arg(warning_color).arg(periods.size()+1).arg(row.src);
+            continue;
         } else {
             ChannelID id = schema::channel[row.src].id();
             if ((id == NoChannel) || (!p_profile->channelAvailable(id))) {
diff --git a/oscar/statistics.h b/oscar/statistics.h
index f495ef7d..aa8d976d 100644
--- a/oscar/statistics.h
+++ b/oscar/statistics.h
@@ -16,12 +16,47 @@
 #include <QPainter>
 #include <QHash>
 #include <QList>
+
+
 #include "SleepLib/schema.h"
 #include "SleepLib/machine.h"
 
+
+class DisabledInfo
+{
+public:
+    QString display(int);
+    void update(QDate latest, QDate earliest) ;
+private:
+    int totalDays ;
+    int daysNoData ;
+    int daysOutOfCompliance ;
+    int daysInCompliance ;
+    int numDisabledsessions ;
+    int numDaysWithDisabledsessions ;
+    int maxDurationOfaDisabledsession ;
+    int numDaysDisabledSessionChangedCompliance ;
+    int totalDurationOfDisabledSessions ;
+    void clear () {
+        totalDays = 0;
+        daysNoData = 0;
+        daysOutOfCompliance = 0;
+        daysInCompliance = 0;
+        numDisabledsessions = 0;
+        numDaysWithDisabledsessions = 0;
+        maxDurationOfaDisabledsession = 0;
+        numDaysDisabledSessionChangedCompliance = 0;
+        totalDurationOfDisabledSessions = 0;
+    };
+
+};
+
+
+
+
 //! \brief Type of calculation on one statistics row
 enum StatCalcType {
-    SC_UNDEFINED=0, SC_COLUMNHEADERS, SC_HEADING, SC_SUBHEADING, SC_MEDIAN, SC_AVG, SC_WAVG, SC_90P, SC_MIN, SC_MAX, SC_CPH, SC_SPH, SC_AHI, SC_HOURS, SC_COMPLIANCE, SC_DAYS, SC_ABOVE, SC_BELOW , SC_WARNING
+    SC_UNDEFINED=0, SC_COLUMNHEADERS, SC_HEADING, SC_SUBHEADING, SC_MEDIAN, SC_AVG, SC_WAVG, SC_90P, SC_MIN, SC_MAX, SC_CPH, SC_SPH, SC_AHI, SC_HOURS, SC_COMPLIANCE, SC_DAYS, SC_ABOVE, SC_BELOW , SC_WARNING , SC_WARNING2
 };
 
 /*! \struct StatisticsRow
@@ -172,6 +207,7 @@ class Statistics : public QObject
 
     static void printReport(QWidget *parent = nullptr);
 
+    void updateDisabledInfo();
 
   protected:
     void loadRXChanges();
@@ -198,6 +234,7 @@ class Statistics : public QObject
 
     QList<QDate> record_best_ahi;
     QList<QDate> record_worst_ahi;
+    DisabledInfo disabledInfo;
 
   signals: