diff --git a/src/main/java/de/sybit/sygotchi/tamagotchi/TamagotchiService.java b/src/main/java/de/sybit/sygotchi/tamagotchi/TamagotchiService.java
index b40d0f5..26b1951 100644
--- a/src/main/java/de/sybit/sygotchi/tamagotchi/TamagotchiService.java
+++ b/src/main/java/de/sybit/sygotchi/tamagotchi/TamagotchiService.java
@@ -319,7 +319,7 @@ public void updateTamagotchi() {
                 tamagotchi.setDirty(Math.max(tamagotchi.getDirty() - 0.05, 0));
                 if (!tamagotchi.isSleeping()) {
                     tamagotchi.setTired(Math.max(tamagotchi.getTired() - 0.05, 0));
-                    if (tamagotchi.getTired() >= 0) {
+                    if (tamagotchi.getTired() <= 0) {
                         tamagotchi.setSleeping(true);
                         tamagotchi.setStartedSleeping(new Timestamp(new Date().getTime()));
                     }