diff --git a/hypervisor/arch/x86/guest/pm.c b/hypervisor/arch/x86/guest/pm.c
index 69cb0a775..60a23a53d 100644
--- a/hypervisor/arch/x86/guest/pm.c
+++ b/hypervisor/arch/x86/guest/pm.c
@@ -309,8 +309,88 @@ static void register_rt_vm_pm1a_ctl_handler(struct acrn_vm *vm)
 					&rt_vm_pm1a_io_read, &rt_vm_pm1a_io_write);
 }
 
+/*
+ * @pre vcpu != NULL
+ */
+static bool prelaunched_vm_sleep_io_read(struct acrn_vcpu *vcpu, __unused uint16_t addr, __unused size_t width)
+{
+	vcpu->req.reqs.pio.value = 0U;
+
+	return true;
+}
+
+/*
+ * @pre vcpu != NULL
+ * @pre vcpu->vm != NULL
+ */
+static bool prelaunched_vm_sleep_io_write(struct acrn_vcpu *vcpu, uint16_t addr, size_t width, uint32_t v)
+{
+	if ((width == 1U) && (addr == VIRTUAL_SLEEP_CTL_ADDR)) {
+		bool slp_en;
+		uint32_t slp_type;
+		struct acrn_vm *vm = vcpu->vm;
+
+		/* ACPI sleep control register:
+		 *
+		 * Bits 2~4: SLP_TYPx, defines the type of sleeping state the system enters when the
+		 * SLP_EN bit is set to one. This 3-bit field defines the type of hardware sleep state
+		 * the system enters when the SLP_EN bit is set. The \_S5 object contains 3-bit binary
+		 * value (0x5) associated with the S5 sleeping state
+		 *
+		 * Bit 5: SLP_EN, This is a write-only bit and reads to it always return a zero. Setting
+		 * this bit causes the system to sequence into the sleeping state associated with the
+		 * SLP_TYPx fields programmed with the values from the \_S5 object
+		 */
+		slp_type = (v >> 2U) & 0x7U;
+		slp_en  = (v >> 5U) & 0x1U;
+
+		if (slp_en && (slp_type == 5U)) {
+			get_vm_lock(vm);
+			if (is_rt_vm(vm)) {
+				vm->state = VM_READY_TO_POWEROFF;
+			}
+			pause_vm(vm);
+			put_vm_lock(vm);
+
+			bitmap_set_nolock(vm->vm_id, &per_cpu(shutdown_vm_bitmap, pcpuid_from_vcpu(vcpu)));
+			make_shutdown_vm_request(pcpuid_from_vcpu(vcpu));
+		}
+	}
+
+	return true;
+}
+
+static void register_prelaunched_vm_sleep_handler(struct acrn_vm *vm)
+{
+	struct vm_io_range io_range;
+
+	/* ACPI reduced HW mode is used for pre-launched VM
+	 *
+	 * The optional ACPI sleep registers (SLEEP_CONTROL_REG and SLEEP_STATUS_REG) specify
+	 * a standard mechanism for system sleep state entry on HW-Reduced ACPI systems. When
+	 * implemented, the Sleep registers are a replacement for the SLP_TYP, SLP_EN and WAK_STS
+	 * registers in the PM1_BLK.
+	 */
+	io_range.base = VIRTUAL_SLEEP_CTL_ADDR;
+	io_range.len = 2U;
+
+	register_pio_emulation_handler(vm, SLEEP_CTL_PIO_IDX, &io_range,
+					&prelaunched_vm_sleep_io_read, &prelaunched_vm_sleep_io_write);
+}
+
 void init_guest_pm(struct acrn_vm *vm)
 {
+	struct pm_s_state_data *sx_data = get_host_sstate_data();
+
+	/*
+	 * In enter_s5(), it will call save_s5_reg_val() to initialize system_pm1a_cnt_val/system_pm1b_cnt_val when the
+	 * vm is SOS.
+	 * If there is no SOS, save_s5_reg_val() will not be called and these 2 variables will not be initialized properly
+	 * so shutdown_system() will fail, explicitly init here to avoid this
+	 */
+	save_s5_reg_val((sx_data->s5_pkg.val_pm1a << BIT_SLP_TYPx) | (1U << BIT_SLP_EN),
+		(sx_data->s5_pkg.val_pm1b << BIT_SLP_TYPx) | (1U << BIT_SLP_EN));
+
 	vm_setup_cpu_state(vm);
 
 	if (is_sos_vm(vm)) {
@@ -318,10 +398,11 @@ void init_guest_pm(struct acrn_vm *vm)
 		if (vm_load_pm_s_state(vm) == 0) {
 			register_pm1ab_handler(vm);
 		}
-	}
-
-	/* Intercept the virtual pm port for RTVM */
-	if (is_rt_vm(vm)) {
+	} else if (is_postlaunched_vm(vm) && is_rt_vm(vm)) {
+		/* Intercept the virtual pm port for post launched RTVM */
 		register_rt_vm_pm1a_ctl_handler(vm);
+	} else if (is_prelaunched_vm(vm)) {
+		/* Intercept the virtual sleep control/status registers for pre-launched VM */
+		register_prelaunched_vm_sleep_handler(vm);
 	}
 }
diff --git a/hypervisor/include/arch/x86/guest/vmx_io.h b/hypervisor/include/arch/x86/guest/vmx_io.h
index 5790d0b87..98fce24d6 100644
--- a/hypervisor/include/arch/x86/guest/vmx_io.h
+++ b/hypervisor/include/arch/x86/guest/vmx_io.h
@@ -27,8 +27,8 @@
 #define KB_PIO_IDX			(VIRTUAL_PM1A_CNT_PIO_IDX + 1U)
 #define CF9_PIO_IDX			(KB_PIO_IDX + 1U)
 #define PIO_RESET_REG_IDX		(CF9_PIO_IDX + 1U)
-#define EMUL_PIO_IDX_MAX		(PIO_RESET_REG_IDX + 1U)
-
+#define SLEEP_CTL_PIO_IDX		(PIO_RESET_REG_IDX + 1U)
+#define EMUL_PIO_IDX_MAX		(SLEEP_CTL_PIO_IDX + 1U)
 /**
  * @brief The handler of VM exits on I/O instructions
  *
diff --git a/hypervisor/include/public/acrn_common.h b/hypervisor/include/public/acrn_common.h
index 4289f37e9..6bed48b91 100644
--- a/hypervisor/include/public/acrn_common.h
+++ b/hypervisor/include/public/acrn_common.h
@@ -54,6 +54,7 @@
 #define GUEST_FLAG_RT				(1UL << 4U)     /* Whether the vm is RT-VM */
 
 /* TODO: We may need to get this addr from guest ACPI instead of hardcode here */
+#define VIRTUAL_SLEEP_CTL_ADDR		0x400U /* Pre-launched VM uses ACPI reduced HW mode and sleep control register */
 #define VIRTUAL_PM1A_CNT_ADDR		0x404U
 #define	VIRTUAL_PM1A_SCI_EN		0x0001
 #define VIRTUAL_PM1A_SLP_TYP		0x1c00U