diff --git a/sleep/hello_dormant/hello_dormant_aon.c b/sleep/hello_dormant/hello_dormant_aon.c
index 71ec056..481af1b 100644
--- a/sleep/hello_dormant/hello_dormant_aon.c
+++ b/sleep/hello_dormant/hello_dormant_aon.c
@@ -42,7 +42,7 @@ static void aon_sleep(void) {
 
     // Go to sleep for 10 seconds, with RTC running off GP20
     // The external clock is the RTC of another pico being fed to GP20
-    sleep_goto_aon_dormant_until(&ts, &sleep_callback);
+    sleep_goto_dormant_until(&ts, &sleep_callback);
 }
 
 int main() {
@@ -66,7 +66,7 @@ int main() {
         sleep_run_from_xosc();
 #else
         printf("Switching to LPSC\n");
-        sleep_run_from_lpsc();
+        sleep_run_from_lposc();
 #endif
 
         uart_default_tx_wait_blocking();
diff --git a/sleep/hello_sleep/hello_sleep_alarm.c b/sleep/hello_sleep/hello_sleep_alarm.c
index 751c0db..205bf35 100755
--- a/sleep/hello_sleep/hello_sleep_alarm.c
+++ b/sleep/hello_sleep/hello_sleep_alarm.c
@@ -41,9 +41,7 @@ int main() {
         printf("Sleeping for 10 seconds\n");
         uart_default_tx_wait_blocking();
 
-        int alarm_id = -1;
-        sleep_goto_sleep_for(10000, &alarm_sleep_callback, &alarm_id);
-        if (alarm_id >= 0) {
+        if (sleep_goto_sleep_for(10000, &alarm_sleep_callback)) {
             // Make sure we don't wake
             while (!awake) {
                 printf("Should be sleeping\n");
diff --git a/sleep/hello_sleep/hello_sleep_aon.c b/sleep/hello_sleep/hello_sleep_aon.c
index 1749ca2..256dc8e 100644
--- a/sleep/hello_sleep/hello_sleep_aon.c
+++ b/sleep/hello_sleep/hello_sleep_aon.c
@@ -28,7 +28,7 @@ static void aon_sleep(void) {
     uart_default_tx_wait_blocking();
 
     // Go to sleep
-    sleep_goto_aon_sleep_until(&ts, &sleep_callback);
+    sleep_goto_sleep_until(&ts, &sleep_callback);
 }
 
 int main() {