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The Physical Process of Dying7 min read

Near-Death Experiences: What We Know

Near-death experiences are reported by millions of people worldwide. What are they? What do they tell us about consciousness, dying, and what comes after?

Near-death experiences (NDEs) and the visions that sometimes accompany the dying process are among the most fascinating and contested phenomena in human experience. This guide covers what is known — and what remains unknown — about what some people experience as they approach death.

What Are Near-Death Experiences?

Near-death experiences are vivid, transformative experiences reported by people who have come close to death — during cardiac arrest, severe illness, or serious injury. Common elements include:

  • A sense of leaving the body and observing it from above (out-of-body experience)
  • Moving through a tunnel toward a brilliant light
  • Encountering deceased loved ones or spiritual figures
  • A profound sense of peace, love, and acceptance
  • A life review — seeing one's life played back, often with an emphasis on how one affected others
  • A boundary or threshold — and a sense of choice about whether to return
  • Return to the body, often with reluctance

Not all NDEs include all these elements. Some are primarily peaceful and formless. A minority are terrifying — dark, empty, or threatening.

Deathbed Visions

Distinct from NDEs (which happen to people who survive near-death), deathbed visions occur in people who are actively dying. These are reports — from the dying person to those caring for them — of seeing deceased loved ones at the bedside, entering a beautiful place, or being visited by figures who have come to accompany them. These reports are extremely common — documented across cultures and throughout history.

Hospice workers often report that dying patients speak of seeing deceased parents, siblings, or spouses. Most patients report these visions as comforting rather than frightening — as the arrival of welcome companions. Many families find them deeply meaningful.

What Do These Experiences Mean?

The interpretation of NDEs and deathbed visions is genuinely contested:

  • Neurological explanations: Some researchers attribute NDEs to specific brain states during crisis — oxygen deprivation, the release of endogenous compounds like DMT, or other neural events
  • Evidence for consciousness beyond the brain: Some researchers — including cardiologist Pim van Lommel — argue that the features of NDEs (verified out-of-body observations, experiences during flat EEG) cannot be explained by brain activity alone
  • Spiritual interpretation: Many religious and spiritual traditions see these experiences as genuine encounters with what lies beyond death

The honest answer is that no one knows with certainty. What is not contested: these experiences are real to those who have them, and they consistently produce lasting positive effects — reduced fear of death, increased compassion, changes in values and priorities.

What It May Mean for the Dying

Whether or not these experiences have spiritual significance, they offer something to the dying and to families: they are consistently reported as peaceful, loving, and welcoming. For many people, the existence of these experiences — widely documented across cultures and centuries — is part of what allows them to face death with less fear.

For more, see our complete guide to the physical process of dying and our guide to spiritual questions at end of life.

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