diff --git a/.changeset/forty-yaks-talk.md b/.changeset/forty-yaks-talk.md
new file mode 100644
index 00000000..7aa9dd09
--- /dev/null
+++ b/.changeset/forty-yaks-talk.md
@@ -0,0 +1,5 @@
+---
+"@quassel/backend": patch
+---
+
+Fix selecting event in sleep time
diff --git a/apps/frontend/src/components/questionnaire/calendar/EntryCalendar.tsx b/apps/frontend/src/components/questionnaire/calendar/EntryCalendar.tsx
index 7eb0a6e6..83e0dcac 100644
--- a/apps/frontend/src/components/questionnaire/calendar/EntryCalendar.tsx
+++ b/apps/frontend/src/components/questionnaire/calendar/EntryCalendar.tsx
@@ -193,7 +193,7 @@ export function EntryCalendar({
         )}
         select={setupEntryCreate}
         eventClick={({ event }) => {
-          if (event.groupId === "gaps") {
+          if (event.groupId === "gaps" || event.display === "background") {
             setupEntryCreate(event);
           } else {
             setupEntryUpdate(event);