Eyes Remaining Open After Death: Is It Real? A Scientific Explanation

1. Do Eyes Really Stay Open After Death?

According to the study “Eyelid Closure at Death,” a significant number of people do not fully close their eyes at the moment of death — meaning the eyelids may remain partially or fully open. In one study of 100 individuals who passed away in nursing homes, 37% were found with their eyelids not completely closed.
(Source: ResearchGate)

The study concluded that incomplete eyelid closure after death is not related to “sin,” “restless spirits,” or superstition, but is most likely associated with central nervous system damage or pre-existing medical conditions.
(Source: PMC)

2. What Happens in the Body After Death?

a) Primary Flaccidity — Immediate Muscle Relaxation

When the heart stops beating and the brain ceases activity, the entire nervous system shuts down. As a result, all muscles lose their tone, including the muscles responsible for closing the eyelids. This immediate muscle relaxation — called primary flaccidity — can cause the eyelids to fall open due to lack of resistance.
(Sources: Verywell Health, Medscape)

b) Rigor Mortis — Muscle Stiffening

A few hours later, the body enters rigor mortis (postmortem stiffness). When ATP — the molecule responsible for muscle relaxation — is depleted, the actin–myosin fibers lock together, causing the muscles to stiffen. Rigor mortis starts in small muscles first, such as those in the eyelids, jaw, and neck, before spreading to larger muscles.
(Sources: NCBI, Medscape)

Medical textbooks state that rigor mortis usually begins 1–2 hours after death, becomes fully established in 6–12 hours, and can last 24–48 hours or more, depending on environmental conditions.
(Sources: Medscape, Encyclopedias)

This follows Nysten’s Law, which confirms that small muscles (like eyelids and jaw) stiffen first.
(Sources: NCBI, Wikipedia, Medscape)

👉 Therefore, if the eyelids were already open during the flaccid stage, they may become “locked” in that position once rigor mortis begins.
(Sources: ScienceDirect, Medscape)

3. Why Doesn’t Everyone Die With Their Eyes Open?

Several factors determine whether eyelids remain open or closed after death:

• Neurological or eye-related conditions before death: Facial nerve paralysis, oculomotor dysfunction, brain lesions, or central nervous disorders can prevent proper eyelid closure.
  (Sources: PMC, ResearchGate)

• Systemic illness or brain failure: The “Eyelid Closure at Death” study found that central nervous system disorders and severe liver disease were major risk factors for incomplete eyelid closure.
  (Source: ResearchGate)

• Eye dryness and environmental exposure: If the eyes are open, the cornea dries faster, making the eyelids harder to close.
  (Source: MDPI)

• Postmortem tissue changes: As decomposition begins, skin around the eyes may dry or contract, preventing eyelids from closing.
  (Sources: ResearchGate, MDPI)

4. Forensic Implications — What Does It Mean for Death Investigation?

In forensic science, eyelid position can offer minor clues but is not considered a definitive indicator of cause or timing of death.

When the eyes are open, “tache noire” — dark horizontal lines on the sclera — may appear due to drying and oxidation of the eye surface.
(Sources: MDPI, ScienceDirect)

Other signs such as corneal clouding, scleral dehydration, and tissue thickness changes are analyzed to help estimate time of death.
(Sources: ResearchGate, MDPI)

However, experts emphasize that eyelid position alone is unreliable due to variations in medical history, environment, and death conditions.
(Source: ResearchGate)

✅ Conclusion

• Yes, eyes remaining open after death is real — and fairly common.

• It is not a mystical or spiritual sign, but rather a natural physiological result of muscle relaxation followed by rigor mortis.

• Not everyone dies with open eyes — it depends on neurological health, eye condition, environment, and timing within postmortem changes.

• In forensic science, eyelid position is only one minor factor and cannot be used alone to determine cause or time of death.