Dreaming of giant monsters often symbolizes feeling overwhelmed or threatened by something in your waking life. The presence of ancient people could represent wisdom, tradition, or aspects of your past that are influencing your current situation.

Hiding from the giant monsters might suggest that you are trying to avoid confronting these overwhelming feelings or challenges. It's possible that you feel the need to protect yourself from something that feels uncontrollable or frightening.

To gain more insight from this dream, consider the following:

1. What are you currently feeling overwhelmed by? Reflect on any recent challenges or stresses in your life that could be manifesting as giant monsters.
2. What do the ancient people represent to you? They may symbolize your heritage, lessons from the past, or guidance that you can draw upon to deal with your current fears.
3. Are you avoiding something in your waking life? The act of hiding could indicate that you are not facing a particular issue. Think about what you might be avoiding and how you can address it.

This dream invites you to confront your fears and seek wisdom from your past experiences to navigate through your current challenges.