diff --git a/samples/bluetooth/central_hr/src/main.c b/samples/bluetooth/central_hr/src/main.c
index f0a03dff964..01e75758afc 100644
--- a/samples/bluetooth/central_hr/src/main.c
+++ b/samples/bluetooth/central_hr/src/main.c
@@ -29,9 +29,6 @@
 #include <bluetooth/gatt.h>
 #include <misc/byteorder.h>
 
-#define SLEEPTIME  5000
-#define SLEEPTICKS (SLEEPTIME * sys_clock_ticks_per_sec / 1000)
-
 static struct bt_conn *default_conn;
 
 static struct bt_uuid_16 uuid = BT_UUID_INIT_16(0);
@@ -272,9 +269,4 @@ void main(void)
 	}
 
 	printk("Scanning successfully started\n");
-
-	while (1) {
-		task_sleep(SLEEPTICKS);
-	}
 }
-
diff --git a/samples/bluetooth/handsfree/src/main.c b/samples/bluetooth/handsfree/src/main.c
index 042c02db04a..7845cace719 100644
--- a/samples/bluetooth/handsfree/src/main.c
+++ b/samples/bluetooth/handsfree/src/main.c
@@ -81,13 +81,9 @@ void main(void)
 	int err;
 
 	handsfree_enable();
+
 	err = bt_enable(bt_ready);
 	if (err) {
 		printk("Bluetooth init failed (err %d)\n", err);
-		return;
-	}
-
-	while (1) {
-		task_sleep(sys_clock_ticks_per_sec);
 	}
 }
diff --git a/samples/bluetooth/peripheral/src/main.c b/samples/bluetooth/peripheral/src/main.c
index 19772def139..9ffc342d880 100644
--- a/samples/bluetooth/peripheral/src/main.c
+++ b/samples/bluetooth/peripheral/src/main.c
@@ -304,7 +304,7 @@ void main(void)
 	 * of starting delayed work so we do it here
 	 */
 	while (1) {
-		task_sleep(sys_clock_ticks_per_sec);
+		k_sleep(MSEC_PER_SEC);
 
 		/* Current Time Service updates only when time is changed */
 		cts_notify();
diff --git a/samples/bluetooth/peripheral_csc/src/main.c b/samples/bluetooth/peripheral_csc/src/main.c
index e5d79614906..431f647f8aa 100644
--- a/samples/bluetooth/peripheral_csc/src/main.c
+++ b/samples/bluetooth/peripheral_csc/src/main.c
@@ -423,7 +423,7 @@ void main(void)
 	bt_conn_cb_register(&conn_callbacks);
 
 	while (1) {
-		task_sleep(sys_clock_ticks_per_sec);
+		k_sleep(MSEC_PER_SEC);
 
 		/* CSC simulation */
 		if (csc_simulate) {
diff --git a/samples/bluetooth/peripheral_esp/src/main.c b/samples/bluetooth/peripheral_esp/src/main.c
index 39b134b8659..f90d5285870 100644
--- a/samples/bluetooth/peripheral_esp/src/main.c
+++ b/samples/bluetooth/peripheral_esp/src/main.c
@@ -459,7 +459,7 @@ void main(void)
 	bt_conn_auth_cb_register(&auth_cb_display);
 
 	while (1) {
-		task_sleep(sys_clock_ticks_per_sec);
+		k_sleep(MSEC_PER_SEC);
 
 		/* Temperature simulation */
 		if (simulate_temp) {
diff --git a/samples/bluetooth/peripheral_hr/src/main.c b/samples/bluetooth/peripheral_hr/src/main.c
index 9b5e6772ff0..2b43ff461e0 100644
--- a/samples/bluetooth/peripheral_hr/src/main.c
+++ b/samples/bluetooth/peripheral_hr/src/main.c
@@ -129,7 +129,7 @@ void main(void)
 	 * of starting delayed work so we do it here
 	 */
 	while (1) {
-		task_sleep(sys_clock_ticks_per_sec);
+		k_sleep(MSEC_PER_SEC);
 
 		/* Heartrate measurements simulation */
 		hrs_notify();
diff --git a/tests/bluetooth/shell/src/main.c b/tests/bluetooth/shell/src/main.c
index 8d94546bbe4..2b4b76d20b7 100644
--- a/tests/bluetooth/shell/src/main.c
+++ b/tests/bluetooth/shell/src/main.c
@@ -2310,7 +2310,7 @@ void main(void)
 	shell_register_default_module(MY_SHELL_MODULE);
 
 	while (1) {
-		task_sleep(sys_clock_ticks_per_sec);
+		k_sleep(MSEC_PER_SEC);
 
 		/* Heartrate measurements simulation */
 		if (hrs_simulate) {