diff --git a/module2/exo4/data.csv b/module2/exo4/data.csv
index c1f68c643e8b8159bdd35bb4be31a2e2f25b42ff..cc417c043545df386efb66eb87bcff8d909cfb57 100644
--- a/module2/exo4/data.csv
+++ b/module2/exo4/data.csv
@@ -1,6 +1,12 @@
 Date,BeginningTime,Length,AwakeningReason,Feeling
-2023-10-18,1:00:00,8:00:00,AlarmClock,Rested
-2023-10-18,16:15:00,17:10:00,Natural,Rested
-2023-10-19,1:28:00,5:02:00,AlarmClock,NotVeryRested
-2023-10-19,18:45:00,1:42:00,AlarmMissed,Rested
-2023-10-20,1:10:00,6:20:00,AlarmClock,QuiteRested
+2023-10-18,3600,28800,AlarmClock,Rested
+2023-10-18,58500,3300,Natural,Rested
+2023-10-19,5280,18120,AlarmClock,NotVeryRested
+2023-10-19,67500,6120,AlarmMissed,Rested
+2023-10-20,4200,22800,AlarmClock,QuiteRested
+2023-10-21,1200,28200,AlarmClock,QuiteRested
+2023-10-22,600,33000,AlarmClock,QuiteRested
+2023-10-22,59280,4920,AlarmMissed,QuiteRested
+2023-10-23,5100,21780,AlarmClock,QuiteRested
+2023-10-23,57600,6000,AlarmMissed,Rested
+2023-10-24,6000,25800,AlarmClock,Rested
\ No newline at end of file