diff --git a/components/esp_hw_support/Kconfig b/components/esp_hw_support/Kconfig
index 759cc09bf6a..4a9b2d226b5 100644
--- a/components/esp_hw_support/Kconfig
+++ b/components/esp_hw_support/Kconfig
@@ -164,6 +164,12 @@ menu "Hardware Settings"
                 only for code quality inspection. Enabling it will increase the time overhead of entering
                 and exiting sleep. It is not recommended to enable it in the release version.
 
+        config ESP_SLEEP_DEBUG
+            bool "esp sleep debug"
+            default n
+            help
+                Enable esp sleep debug.
+
     endmenu
 
     menu "ESP_SLEEP_WORKAROUND"
diff --git a/components/esp_hw_support/sleep_modes.c b/components/esp_hw_support/sleep_modes.c
index 3835c113aa5..4175ae3d06d 100644
--- a/components/esp_hw_support/sleep_modes.c
+++ b/components/esp_hw_support/sleep_modes.c
@@ -579,6 +579,14 @@ static esp_err_t IRAM_ATTR esp_sleep_start(uint32_t pd_flags, esp_sleep_mode_t m
     bool deep_sleep = (mode == ESP_SLEEP_MODE_DEEP_SLEEP);
     bool should_skip_sleep = false;
 
+#if CONFIG_ESP_SLEEP_DEBUG
+    // The following three logs are used to confirm whether the digital domain and modem are powered off.
+    // Some CI tests depend on these three logs and it is best not to modify them.
+    ESP_EARLY_LOGD(TAG, "pd_lags %lu", pd_flags);
+    ESP_EARLY_LOGD(TAG, "PMU_SLEEP_PD_TOP: %s", (pd_flags & PMU_SLEEP_PD_TOP) ? "True":"False");
+    ESP_EARLY_LOGD(TAG, "PMU_SLEEP_PD_MODEM: %s", (pd_flags & PMU_SLEEP_PD_MODEM) ? "True":"False");
+#endif
+
     int64_t sleep_duration = (int64_t) s_config.sleep_duration - (int64_t) s_config.sleep_time_adjustment;
 
 #if SOC_RTC_SLOW_CLK_SUPPORT_RC_FAST_D256
diff --git a/examples/openthread/ot_sleepy_device/sdkconfig.ci.sleepy_c6 b/examples/openthread/ot_sleepy_device/sdkconfig.ci.sleepy_c6
index e61c1118f20..80eea908010 100644
--- a/examples/openthread/ot_sleepy_device/sdkconfig.ci.sleepy_c6
+++ b/examples/openthread/ot_sleepy_device/sdkconfig.ci.sleepy_c6
@@ -2,3 +2,5 @@ CONFIG_IDF_TARGET="esp32c6"
 CONFIG_IDF_TARGET_ESP32C6=y
 CONFIG_OPENTHREAD_NETWORK_CHANNEL=12
 CONFIG_OPENTHREAD_NETWORK_MASTERKEY="aabbccddeeff00112233445566778899"
+CONFIG_ESP_SLEEP_DEBUG=y
+CONFIG_LOG_DEFAULT_LEVEL_DEBUG=y
diff --git a/examples/openthread/ot_sleepy_device/sdkconfig.ci.sleepy_h2 b/examples/openthread/ot_sleepy_device/sdkconfig.ci.sleepy_h2
index fbc855ee780..43b8d650b8a 100644
--- a/examples/openthread/ot_sleepy_device/sdkconfig.ci.sleepy_h2
+++ b/examples/openthread/ot_sleepy_device/sdkconfig.ci.sleepy_h2
@@ -2,3 +2,5 @@ CONFIG_IDF_TARGET="esp32h2"
 CONFIG_IDF_TARGET_ESP32H2=y
 CONFIG_OPENTHREAD_NETWORK_CHANNEL=12
 CONFIG_OPENTHREAD_NETWORK_MASTERKEY="aabbccddeeff00112233445566778899"
+CONFIG_ESP_SLEEP_DEBUG=y
+CONFIG_LOG_DEFAULT_LEVEL_DEBUG=y
diff --git a/examples/openthread/pytest_otbr.py b/examples/openthread/pytest_otbr.py
index 87334b4264c..2ae516518b2 100644
--- a/examples/openthread/pytest_otbr.py
+++ b/examples/openthread/pytest_otbr.py
@@ -576,6 +576,8 @@ def test_ot_sleepy_device(dut: Tuple[IdfDut, IdfDut]) -> None:
         ocf.clean_buffer(sleepy_device)
         sleepy_device.serial.hard_reset()
         sleepy_device.expect('detached -> child', timeout=20)
+        sleepy_device.expect('PMU_SLEEP_PD_TOP: True', timeout=10)
+        sleepy_device.expect('PMU_SLEEP_PD_MODEM: True', timeout=20)
         ocf.clean_buffer(sleepy_device)
         output = sleepy_device.expect(pexpect.TIMEOUT, timeout=5)
         assert 'rst:' not in str(output) and 'boot:' not in str(output)