diff --git a/components/esp_driver_uart/test_apps/uart/main/test_uart.c b/components/esp_driver_uart/test_apps/uart/main/test_uart.c
index 6b11b39ecc..2554bb7675 100644
--- a/components/esp_driver_uart/test_apps/uart/main/test_uart.c
+++ b/components/esp_driver_uart/test_apps/uart/main/test_uart.c
@@ -273,7 +273,7 @@ static void uart_wakeup_set_get_test(int uart_num)
     printf("uart wake up set and get test\n");
     int wake_up_set = 0;
     int wake_up_get = 0;
-    for (int i = 3; i < 0x3ff; i++) {
+    for (int i = 6; i < 0x3ff; i++) {
         wake_up_set = i;
         TEST_ESP_OK(uart_set_wakeup_threshold(uart_num, wake_up_set));
         TEST_ESP_OK(uart_get_wakeup_threshold(uart_num, &wake_up_get));
diff --git a/components/esp_hal_uart/esp32p4/include/hal/uart_ll.h b/components/esp_hal_uart/esp32p4/include/hal/uart_ll.h
index 86c5a26ecc..e01c325acf 100644
--- a/components/esp_hal_uart/esp32p4/include/hal/uart_ll.h
+++ b/components/esp_hal_uart/esp32p4/include/hal/uart_ll.h
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2022-2026 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -1061,8 +1061,10 @@ FORCE_INLINE_ATTR void uart_ll_set_dtr_active_level(uart_dev_t *hw, int level)
  */
 FORCE_INLINE_ATTR void uart_ll_set_wakeup_edge_thrd(uart_dev_t *hw, uint32_t wakeup_thrd)
 {
-    // System would wakeup when the number of positive edges of RxD signal is larger than or equal to (UART_ACTIVE_THRESHOLD+3)
-    hw->sleep_conf2.active_threshold = wakeup_thrd - UART_LL_WAKEUP_EDGE_THRED_MIN;
+    // System would wakeup when the number of positive edges of RxD signal is larger than or equal to (UART_ACTIVE_THRESHOLD+offset)
+    // HP UART: offset is 6, LP UART: offset is 3
+    uint32_t offset = (hw == &LP_UART) ? UART_LL_WAKEUP_EDGE_THRED_MIN : UART_LL_WAKEUP_EDGE_THRED_MIN + 3;
+    hw->sleep_conf2.active_threshold = wakeup_thrd - offset;
 }
 
 /**
@@ -1370,7 +1372,9 @@ FORCE_INLINE_ATTR void uart_ll_get_at_cmd_char(uart_dev_t *hw, uint8_t *cmd_char
  */
 FORCE_INLINE_ATTR uint32_t uart_ll_get_wakeup_edge_thrd(uart_dev_t *hw)
 {
-    return hw->sleep_conf2.active_threshold + UART_LL_WAKEUP_EDGE_THRED_MIN;
+    // HP UART: offset is 6, LP UART: offset is 3
+    uint32_t offset = (hw == &LP_UART) ? UART_LL_WAKEUP_EDGE_THRED_MIN : UART_LL_WAKEUP_EDGE_THRED_MIN + 3;
+    return hw->sleep_conf2.active_threshold + offset;
 }
 
 /**
diff --git a/examples/system/light_sleep/main/uart_wakeup.c b/examples/system/light_sleep/main/uart_wakeup.c
index 79279e0a33..69a717ce2b 100644
--- a/examples/system/light_sleep/main/uart_wakeup.c
+++ b/examples/system/light_sleep/main/uart_wakeup.c
@@ -26,7 +26,8 @@
 #define EXAMPLE_UART_BAUDRATE  115200
 #endif
 
-#define EXAMPLE_UART_WAKEUP_EDGE_THRESHOLD   3
+/* In ESP32, the min wakeup threshold is 2; in ESP32P4, the min wakeup threshold is 6; in other targets, the min wakeup threshold is 3.*/
+#define EXAMPLE_UART_WAKEUP_EDGE_THRESHOLD   6
 #define EXAMPLE_UART_WAKEUP_FIFO_THRESHOLD   8
 #define EXAMPLE_UART_WAKEUP_CHARS_SEQ        "ok"
 #define EXAMPLE_UART_WAKEUP_CHARS_SEQ_LEN    SOC_UART_WAKEUP_CHARS_SEQ_MAX_LEN
diff --git a/examples/system/light_sleep/pytest_light_sleep.py b/examples/system/light_sleep/pytest_light_sleep.py
index 84946901af..dc56b44325 100644
--- a/examples/system/light_sleep/pytest_light_sleep.py
+++ b/examples/system/light_sleep/pytest_light_sleep.py
@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
+# SPDX-FileCopyrightText: 2022-2026 Espressif Systems (Shanghai) CO LTD
 # SPDX-License-Identifier: CC0-1.0
 import logging
 import time
@@ -32,7 +32,7 @@ def test_light_sleep(dut: Dut) -> None:
     # enter sleep second time
     dut.expect_exact(ENTERING_SLEEP_STR)
     match = dut.expect(EXIT_SLEEP_REGEX)
-    logging.info('Got second sleep period, wakeup from {}, slept for {}'.format(match.group(1), match.group(3)))
+    logging.info(f'Got second sleep period, wakeup from {match.group(1)}, slept for {match.group(3)}')
     # sleep time error should be less than 1ms
     # TODO: Need to update sleep overhead_out time for esp32c5 (PM-209)
     assert (
@@ -47,7 +47,7 @@ def test_light_sleep(dut: Dut) -> None:
     dut.serial.proc.setDTR(True)
     time.sleep(1)
     match = dut.expect(EXIT_SLEEP_PIN_REGEX)
-    logging.info('Got third sleep period, wakeup from {}, slept for {}'.format(match.group(1), match.group(3)))
+    logging.info(f'Got third sleep period, wakeup from {match.group(1)}, slept for {match.group(3)}')
     assert int(match.group(3)) < WAKEUP_INTERVAL_MS
 
     dut.expect(WAITING_FOR_GPIO_STR)
@@ -57,11 +57,11 @@ def test_light_sleep(dut: Dut) -> None:
     dut.expect_exact(ENTERING_SLEEP_STR)
     logging.info('Went to sleep again')
 
-    # Write 'a' to uart, 'a' in ascii is 0x61 which contains 3 rising edges in total (including the stop bit)
-    dut.write('a')
+    # Write 'tt' to uart, 'tt' in ascii is 0x74 0x74 which contains 6 rising edges in total (including the stop bit)
+    dut.serial.proc.write(b'tt')
     time.sleep(1)
     match = dut.expect(EXIT_SLEEP_UART_REGEX)
-    logging.info('Got third sleep period, wakeup from {}, slept for {}'.format(match.group(1), match.group(3)))
+    logging.info(f'Got third sleep period, wakeup from {match.group(1)}, slept for {match.group(3)}')
     assert int(match.group(3)) < WAKEUP_INTERVAL_MS
     logging.info('Went to sleep again')