It isn't about why you believe but how
Spirituality covers a range of practices and traditions. Different than religion, spirituality adds meaning and flavor to life here and beyond. But don't think for one moment that a spiritual experience can't prove distressful.
Having studied for years in the field of spirituality and religion, I've seen spirituality help and hinder a seeker. It does take skill to cultivate a practice that is beneficial to you mental and emotional health.
Some consider theories about ongoing consciousness, the existence of spirits, and encounters with UFOs to be a spiritual moment. And for some, the shifts they experience are transformational. For others, it can be traumatic.