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. 2019 Dec 4;7:e8202. doi: 10.7717/peerj.8202

Table 2. Selected reports from participants with an experience that reached the threshold of ≥7 points on the Greyson Near-Death Experience Scale (GNDES) and qualified as an NDE.

The last two comments describe experiences during ingestion of ketamine (which has been suggested as the chemical most likely to cause drug-induced near-death experiences (Martial et al., 2019)) and REM sleep disturbance (which has been identified in another recent study as a likely mechanism of near-death experiences (Kondziella, Dreier & Olsen, 2019)). Comments are edited for clarity and spelling.

  • (After a suicide attempt) I spend 7 days [in the intensive care unit]. I felt that I did no longer exist in my body; everything went fast as hell and I saw my life (passing before me). I felt that I was moving but it wasn’t like any movement that I had known before. I found myself in the light, a very bright place, the whitest white mixed with energy, as if it was almost alive. I saw three luminous figures coming toward me. I was talking with them without using words; it was much easier and more efficient like talking with feelings and unused senses. All what happened was very personal; I (was being shown images and) received an enormous amount of information, but I am unable to explain it, as if all was spoken to me in a non-existent language that (nobody understands) “here” but everyone once “there.” You just KNOW things about yourself, the nature of the world and people. It was beautiful, full of love, and it was so simple. One of the individuals was younger than the others and loved to laugh; it was as if he wanted to say that my suicide attempt wasn’t so serious any longer, nor was anything else serious. It also felt like they knew that I wanted to be back—not on earth but somewhere else. 38 years, female, migraine auras (visual, aphasic); NDE 23; life-threatening

  • All pain, fears, worries and suffering disappeared. It was an incredibly pleasant feeling, warm and light. I felt unbelievable peace and wanted to remain there, but I was told my moment had not arrived yet and I had to return. When I returned, I felt very secure and knew that death was not to be feared. I remember it as if it was yesterday. 44 years, female; headache without aura; NDE 17; not life-threatening

  • My vision became spherical and I could see and understand everything at once. I also felt as if I was speeding towards a light. I knew if I went to the light I wouldn’t come back. It took an enormous effort to change direction and get back into my body. 50 years, female; migraine auras (visual, aphasic); NDE 15; not life-threatening

  • I was bleeding heavily and began to lose all sense of my physical body. There was this incredible sense of peace and harmony, as if all trouble and stress was gone, and if I just let go, it would never return. I then forced myself to come back to consciousness because I knew I was needed at home. I don’t think it lasted more than a minute, but it felt much longer. 56 years, female; migraine aura (visual); NDE 8; life-threatening

  • I was almost drowning, when I heard voices in my head telling me how to save myself. My life flashed before my eyes and I saw myself simultaneously being above water level. 25 years, male; migraine aura (visual); NDE 13; life-threatening

  • It did feel very real. Like I was hyperaware of everything around me. Things had a glow. Not just the beings but everything had this muted glow. 48 years, female; migraine auras (visual, aphasic); NDE 9; life-threatening

  • (During an anaphylactic shock) I saw a brighter and brighter light. I fell on the ground but barely felt my body falling. I couldn’t feel anything about my body. The room was still the same but there was a light or white smoke. I saw a beautiful person with blonde, curly and shoulder-long hair. Her face had thin traits. The eyes were looking more like smoke than actual eyes. It was a person made of light and colors (like a sort of rainbow or these angels in video clips), protective, smooth, nice and peaceful. The person couldn’t talk but gave me her hand and I started to go with her. Then I felt horrible pain. I briefly felt floating over my body. Then I woke up. I think a saw an angel who was in charge to check if it was my time to go, and if so, to lead me to another place. Maybe it was my deceased 40 years ago grandmother, but I’m not sure. 27 years, female; no headaches; NDE 21; life-threatening

  • I was sleeping, and something woke me up. I felt someone watching me, but I was alone. I couldn’t breathe. I tried fighting it and felt weird, like I was outside of my body. Time slowed down. Suddenly, it all disappeared. It lasted maybe a minute, but I felt like it was hours. 28-years, female, headache without aura; NDE 8; not life-threatening

  • My experience was induced by Ketamine at a rave party. 33 years, male, headache without aura; NDE 10; not life-threatening