diff --git a/hands_on/branch_delete.py b/hands_on/branch_delete.py
index cf1af19..f035143 100644
--- a/hands_on/branch_delete.py
+++ b/hands_on/branch_delete.py
@@ -1,3 +1,4 @@
+import time
 import os
 
 from exercise_utils.file import create_or_update_file
@@ -30,4 +31,9 @@ def download(verbose: bool):
     commit("Add fantasy.txt", verbose)
 
     checkout("main", False, verbose)
+
+    # Sleep to ensure that the commit timestamps are different to ensure correct git revision graph in git log
+    time.sleep(1)
+
+
     merge_with_message("textbooks", False, "Merge branch textbooks", verbose)
diff --git a/hands_on/branch_rename.py b/hands_on/branch_rename.py
index a75d779..929e7ab 100644
--- a/hands_on/branch_rename.py
+++ b/hands_on/branch_rename.py
@@ -1,3 +1,4 @@
+import time
 import os
 
 from exercise_utils.file import create_or_update_file
@@ -43,4 +44,8 @@ def download(verbose: bool):
     commit("Add fantasy.txt", verbose)
 
     checkout("main", False, verbose)
+
+    # Sleep to ensure that the commit timestamps are different to ensure correct git revision graph in git log
+    time.sleep(1)
+    
     merge_with_message("textbooks", False, "Merge branch textbooks", verbose)
diff --git a/hands_on/early_branch.py b/hands_on/early_branch.py
index a28632b..20a4221 100644
--- a/hands_on/early_branch.py
+++ b/hands_on/early_branch.py
@@ -1,3 +1,4 @@
+import time
 import os
 
 from exercise_utils.file import create_or_update_file, append_to_file
@@ -62,4 +63,8 @@ def download(verbose: bool):
     checkout("main", False, verbose)
     append_to_file("tennis.txt", "Martina Navratilova")
     add(["tennis.txt"], verbose)
+
+    # Sleep to ensure that the commit timestamps are different to ensure correct git revision graph in git log
+    time.sleep(1)
+    
     commit("Add Martina to tennis.txt", verbose)