diff --git a/core/main.c b/core/main.c
index cab937b..6362790 100644
--- a/core/main.c
+++ b/core/main.c
@@ -32,16 +32,6 @@ void idleThread(void *arg)
     }
 }
 
-void sleepThread(void *arg){
-    (void)arg;
-    int secSleep = 0;
-    while (1){
-        printf("Sleeping loop %d\n", secSleep);
-        secSleep++;
-        kthreadMsleep(1000);
-    }
-}
-
 // Multiboot information available here :
 // https://www.gnu.org/software/grub/manual/multiboot/multiboot.html#kernel_002ec
 // https://www.gnu.org/software/grub/manual/multiboot/html_node/Boot-information-format.html#Boot%20information%20format
@@ -127,7 +117,6 @@ void kmain(unsigned long magic, unsigned long addr)
     allocSetup();
     kthreadSetup(_stack_bottom, (_stack_top - _stack_bottom + 1));
     kthreadCreate("idle ", idleThread, NULL);
-    kthreadCreate("sleep", sleepThread, NULL);
     irqSetRoutine(IRQ_TIMER, pit_handler);
 #ifdef RUN_TEST
     run_test();
diff --git a/tests/test.c b/tests/test.c
index 681bb09..c1cdd27 100644
--- a/tests/test.c
+++ b/tests/test.c
@@ -218,9 +218,8 @@ void testCoroutine()
 static void kthread1(void *strIn)
 {
     char *str = (char *)strIn;
-    printf("\nkth1: %s\n", (char *)strIn);
     for (; *str != '\n'; str++) {
-        printf("kth1_: %c\n", *str);
+        printf("kth1: %c\n", *str);
         kthreadYield();
     }
 }
@@ -228,17 +227,29 @@ static void kthread1(void *strIn)
 static void kthread2(void *strIn)
 {
     char *str = (char *)strIn;
-    printf("\nkth2: %s\n", (char *)strIn);
     for (; *str != '\n'; str++) {
-        printf("kth2_: %c\n", *str);
+        printf("kth2: %c\n", *str);
         kthreadYield();
     }
 }
 
+void sleepThread(void *arg){
+    (void)arg;
+    int secSleep = 0;
+    while (1){
+        printf("Sleeping loop %d\n", secSleep);
+        secSleep++;
+        kthreadMsleep(1000);
+    }
+}
+
 void testKthread()
 {
+    // It is not expected to have necessarily "Hello world\n" properly written
     kthreadCreate("Test1", (cpu_kstate_function_arg1_t *)kthread1, (void *)"Hlowrd\n");
     kthreadCreate("Test2", (cpu_kstate_function_arg1_t *)kthread2, (void *)"el ol\n");
+    kthreadMsleep(1000);
+    kthreadCreate("sleep", sleepThread, NULL);
 }
 
 void run_test(void)