diff --git a/pkg/instance/lifecycle.go b/pkg/instance/lifecycle.go
index 58b52eb..1442b6e 100644
--- a/pkg/instance/lifecycle.go
+++ b/pkg/instance/lifecycle.go
@@ -140,15 +140,6 @@ func (i *Process) Stop() error {
 	return nil
 }
 
-// UpdateLastRequestTime updates the last request access time for the instance via proxy
-func (i *Process) UpdateLastRequestTime() {
-	i.mu.Lock()
-	defer i.mu.Unlock()
-
-	lastRequestTime := time.Now().Unix()
-	i.lastRequestTime.Store(lastRequestTime)
-}
-
 func (i *Process) monitorProcess() {
 	defer func() {
 		i.mu.Lock()
diff --git a/pkg/instance/timeout.go b/pkg/instance/timeout.go
new file mode 100644
index 0000000..fd9eeb5
--- /dev/null
+++ b/pkg/instance/timeout.go
@@ -0,0 +1,28 @@
+package instance
+
+import "time"
+
+// UpdateLastRequestTime updates the last request access time for the instance via proxy
+func (i *Process) UpdateLastRequestTime() {
+	i.mu.Lock()
+	defer i.mu.Unlock()
+
+	lastRequestTime := time.Now().Unix()
+	i.lastRequestTime.Store(lastRequestTime)
+}
+
+func (i *Process) ShouldTimeout() bool {
+	i.mu.RLock()
+	defer i.mu.RUnlock()
+
+	// If idle timeout is not set, no timeout
+	if i.options.IdleTimeout == nil || *i.options.IdleTimeout <= 0 {
+		return false
+	}
+
+	// Check if the last request time exceeds the idle timeout
+	lastRequest := i.lastRequestTime.Load()
+	idleTimeout := *i.options.IdleTimeout
+
+	return (time.Now().Unix() - lastRequest) > int64(idleTimeout)
+}