diff --git a/components/esp_hw_support/test_apps/esp_hw_support_unity_tests/main/test_rtc_wdt.c b/components/esp_hw_support/test_apps/esp_hw_support_unity_tests/main/test_rtc_wdt.c
index 29340c724e..b7ed1066cc 100644
--- a/components/esp_hw_support/test_apps/esp_hw_support_unity_tests/main/test_rtc_wdt.c
+++ b/components/esp_hw_support/test_apps/esp_hw_support_unity_tests/main/test_rtc_wdt.c
@@ -17,6 +17,7 @@
 #include "esp_system.h"
 #include "esp_intr_alloc.h"
 #include "esp_private/rtc_ctrl.h"
+#include "esp_private/esp_sleep_internal.h"
 
 /* As the RTC slow clock used by RWDT is derived using RC oscillator by default,
  * the timing accuracy is not very precise, and may vary from chip to chip.
@@ -178,6 +179,50 @@ static void rtc_wdt_setup_then_reset_RTC(void)
     }
 }
 
+#if SOC_LIGHT_SLEEP_SUPPORTED && CONFIG_ESP_SLEEP_ENABLE_RTC_WDT_IN_SLEEP
+/* MULTI test case for light sleep prepare timeout then RTC WDT resets RTC */
+static void rtc_wdt_light_sleep_prepare_timeout(void)
+{
+    uint32_t stage_timeout_ticks = (uint32_t)(1000 * rtc_clk_slow_freq_get_hz() / 1000ULL);   /* 1000ms for interrupt */
+    esp_sleep_enable_timer_wakeup(3000000);
+
+    /* Setup RTC WDT */
+    // Here enable RTC_WDT then the setup in sleep flow will be skipped
+    wdt_hal_init(&rtc_wdt_ctx, WDT_RWDT, 0, true);
+    wdt_hal_write_protect_disable(&rtc_wdt_ctx);
+    wdt_hal_config_stage(&rtc_wdt_ctx, WDT_STAGE0, stage_timeout_ticks, WDT_STAGE_ACTION_RESET_RTC);
+    wdt_hal_enable(&rtc_wdt_ctx);
+    wdt_hal_write_protect_enable(&rtc_wdt_ctx);
+    TEST_ASSERT_TRUE(wdt_hal_is_enabled(&rtc_wdt_ctx));
+    printf("RTC WDT setup stage-0 RESET (1000ms)\n");
+
+    esp_light_sleep_start();
+    /* Wait for RTC WDT to reset the main system and RTC */
+    esp_restart();
+}
+#endif
+
+#if SOC_DEEP_SLEEP_SUPPORTED && CONFIG_ESP_SLEEP_ENABLE_RTC_WDT_IN_DEEP_SLEEP
+/* MULTI test case for deep sleep prepare timeout then RTC WDT resets RTC */
+static void rtc_wdt_deep_sleep_prepare_timeout(void)
+{
+    uint32_t stage_timeout_ticks = (uint32_t)(1000 * rtc_clk_slow_freq_get_hz() / 1000ULL);   /* 1000ms for interrupt */
+    esp_sleep_enable_timer_wakeup(3000000);
+
+    /* Setup RTC WDT */
+    // Here enable RTC_WDT then the setup in sleep flow will be skipped
+    wdt_hal_init(&rtc_wdt_ctx, WDT_RWDT, 0, true);
+    wdt_hal_write_protect_disable(&rtc_wdt_ctx);
+    wdt_hal_config_stage(&rtc_wdt_ctx, WDT_STAGE0, stage_timeout_ticks, WDT_STAGE_ACTION_RESET_RTC);
+    wdt_hal_enable(&rtc_wdt_ctx);
+    wdt_hal_write_protect_enable(&rtc_wdt_ctx);
+    TEST_ASSERT_TRUE(wdt_hal_is_enabled(&rtc_wdt_ctx));
+    printf("RTC WDT setup stage-0 RESET (1000ms)\n");
+
+    esp_deep_sleep_start();
+}
+#endif
+
 static void rtc_wdt_verify_SYSTEM_reset(void)
 {
     printf("Confirming if reset reason matches 0x9 (main system reset)\n");
@@ -211,3 +256,21 @@ TEST_CASE_MULTIPLE_STAGES(
     rtc_wdt_setup_then_reset_RTC,
     rtc_wdt_verify_RTC_reset
 )
+
+#if SOC_LIGHT_SLEEP_SUPPORTED && CONFIG_ESP_SLEEP_ENABLE_RTC_WDT_IN_SLEEP
+TEST_CASE_MULTIPLE_STAGES(
+    "Light sleep prepare timeout then RTC WDT resets RTC",
+    "[rtc_wdt][lightsleep][reset]",
+    rtc_wdt_light_sleep_prepare_timeout,
+    rtc_wdt_verify_RTC_reset
+)
+#endif
+
+#if SOC_DEEP_SLEEP_SUPPORTED && CONFIG_ESP_SLEEP_ENABLE_RTC_WDT_IN_DEEP_SLEEP
+TEST_CASE_MULTIPLE_STAGES(
+    "Deep sleep prepare timeout then RTC WDT resets RTC",
+    "[rtc_wdt][deepsleep][reset]",
+    rtc_wdt_deep_sleep_prepare_timeout,
+    rtc_wdt_verify_RTC_reset
+)
+#endif
diff --git a/components/esp_hw_support/test_apps/esp_hw_support_unity_tests/pytest_esp_hw_support.py b/components/esp_hw_support/test_apps/esp_hw_support_unity_tests/pytest_esp_hw_support.py
index e33083f6c8..76a2e37382 100644
--- a/components/esp_hw_support/test_apps/esp_hw_support_unity_tests/pytest_esp_hw_support.py
+++ b/components/esp_hw_support/test_apps/esp_hw_support_unity_tests/pytest_esp_hw_support.py
@@ -13,6 +13,7 @@ from pytest_embedded_idf.utils import soc_filtered_targets
         ('single_core_esp32', 'esp32'),
         *(('default', target) for target in soc_filtered_targets('IDF_TARGET not in ["esp32c5"]')),
         *(('release', target) for target in soc_filtered_targets('IDF_TARGET not in ["esp32c5"]')),
+        *(('rwdt_monitor', target) for target in soc_filtered_targets('IDF_TARGET not in ["esp32c5"]')),
     ],
     indirect=['config', 'target'],
 )
diff --git a/components/esp_hw_support/test_apps/esp_hw_support_unity_tests/sdkconfig.ci.rwdt_monitor b/components/esp_hw_support/test_apps/esp_hw_support_unity_tests/sdkconfig.ci.rwdt_monitor
new file mode 100644
index 0000000000..38d3c2840d
--- /dev/null
+++ b/components/esp_hw_support/test_apps/esp_hw_support_unity_tests/sdkconfig.ci.rwdt_monitor
@@ -0,0 +1,4 @@
+# enable RTC WDT during sleep period
+CONFIG_ESP_SLEEP_ENABLE_RTC_WDT_IN_SLEEP=y
+CONFIG_ESP_SLEEP_ENABLE_RTC_WDT_IN_DEEP_SLEEP=y
+CONFIG_IDF_EXPERIMENTAL_FEATURES=y