A cat's stress response can be caused by environmental changes, noise, strangers, or other stressors. This response may lead to anxiety, fear, increased aggression, or abnormal behavior. Here are some ways to help soothe a cat's stress response:
1. Provide a quiet environment: Minimize noise and disturbances, such as turning down the TV volume, avoiding sudden loud noises, and giving the cat a space to hide in so it can rest quietly.
2. Use familiar scents: You can use toys or cat beds that your cat used to have to let it smell familiar scents to help relieve its anxiety and unease.

3. Distract your cat: Use toys or its favorite food to distract it, which can temporarily relieve its stress.
4. Keep food and water available: Make sure your cat has plenty of drinking water and food, especially after a change in environment, as this can help it adapt to the new environment better.