Why Do People Close Their Eyes During Prayer and Meditation?

Closing the eyes feels so natural during prayer or meditation that it can seem ancient, universal and self-explanatory. Shut out the world. Turn inward. Concentrate. Yet the historical record immediately complicates that story.

Some contemplative traditions often use closed eyes. Others prefer a lowered gaze. Some insist on keeping the eyes partly open. Christian texts describe prayer with eyes lifted toward heaven. Soto Zen instructions explicitly say not to close them. Muslim ritual prayer is normally performed with visual orientation and a disciplined gaze rather than eyes sealed shut.

So the real question is not “Why did religion tell people to close their eyes?” There was never one rule. The better question is why eye closure repeatedly appears when humans want to withdraw from external distraction, visualize, remember, listen inwardly or intensify a private experience—and why other traditions deliberately resist that withdrawal.

The eyelids are a surprisingly powerful attention switch

Vision dominates a large share of human sensory processing. Keeping the eyes open means continuously sampling faces, movement, light, depth and potential threats. Even when a person is trying to pray, remember or meditate, the visual environment competes for processing resources.

Closing the eyes does something immediate and physical: it sharply reduces structured visual input. That does not switch the brain off. It changes what the brain has to process. Attention can be redistributed toward memory, imagery, bodily sensation, sound or internally generated thought.

Prayer was never historically tied to one eye position

Modern Western popular culture often depicts prayer with bowed head and closed eyes. That image is familiar, but it should not be projected backward as a universal ancient posture.

The Gospel of John, for example, describes Jesus lifting his eyes in prayer. Recent New Testament scholarship notes that John uses the upward gaze itself as one of the signals that prayer is taking place. Other scriptural and liturgical traditions include kneeling, standing, prostrating, bowing, looking down or orienting the body toward a sacred direction.

Prayer posture communicates theology and social meaning. Looking upward can signify address to heaven. Lowering the gaze can signify humility. Closing the eyes can support privacy or concentration. None of these gestures can be reduced to a single neurological purpose.

Some traditions deliberately keep the eyes open

Soto Zen provides one of the clearest counterexamples to the idea that meditation naturally requires closed eyes. Dōgen’s widely transmitted instructions for zazen tell the practitioner to keep the eyes open while breathing softly through the nose. Contemporary Soto teaching often describes the eyes as softly or partly open rather than staring.

The open gaze changes the practice. The meditator is not trying to create a sealed internal chamber. Visual experience remains present but is not pursued. This can support alertness and reduce the tendency to drift into sleep or private fantasy.

Historically, then, eye state is part of contemplative technique rather than a universal definition of contemplation.

Closed eyes reduce visual competition

Modern cognitive research offers a straightforward mechanism for why closing the eyes can help some mental tasks. Environmental monitoring consumes processing resources. When visual input is irrelevant to the task, reducing that input can free resources for internal processing.

Experiments on memory provide unusually clear evidence. In a study of 80 eyewitnesses, recall was better when distraction was minimized through eye closure or a blank screen. The researchers concluded that eye closure can reduce cognitive load and also help visualisation by removing competing visual information.

Other work has shown that irrelevant visual input can disrupt a network involving prefrontal, hippocampal and visual-association regions during episodic recollection. Closing the eyes is therefore not merely symbolic; it changes the information environment in which cognition occurs.

That mechanism fits prayer and meditation—but does not prove their historical origin

If someone is reciting a prayer from memory, visualizing a sacred figure, recalling a deceased relative or attending closely to bodily sensations, reducing irrelevant visual input may make the task easier. The mechanism is plausible.

But a modern memory experiment does not show that religious communities adopted eye closure because they understood cognitive-load theory. Historical practice may have developed through convention, imitation, privacy, humility, ritual etiquette or simple experiential discovery.

Tradivior therefore separates two claims: eye closure can reduce distraction; the surviving historical record does not show one universal scientific reason for why worshippers closed their eyes.

The brain’s resting rhythm changes as soon as the eyes close

One of the oldest robust observations in electroencephalography is the increase in posterior alpha activity when relaxed people close their eyes. Opening the eyes suppresses much of this rhythm as the visual system engages with the environment.

A 2007 study comparing eyes-open and eyes-closed rest found broad differences across EEG frequency bands and increased skin-conductance arousal when the eyes opened. The results reinforce a basic point: “eyes closed” and “eyes open” are not interchangeable baseline states.

This is crucial for meditation research. If a meditation group closes its eyes while the comparison group looks at a screen, some EEG differences may reflect eye state rather than meditation itself.

Alpha waves are not a spiritual meter

Because alpha power often rises with eye closure and sometimes during meditation, it is tempting to call alpha a marker of spirituality, calm or higher consciousness. The evidence does not justify that shortcut.

Alpha oscillations are involved in sensory gating, attention and cortical processing. Their meaning depends on location, task and baseline. A systematic review of mindfulness EEG studies found that alpha and theta increases were common but far from universal.

More importantly, a meditation state has to be compared against the correct control. Eyes-closed rest already produces strong alpha. A meditation-related difference that survives that comparison is more informative than simply observing alpha while a meditator’s eyes are shut.

Closing the eyes can support visual imagery

Many religious practices involve internally generated images: imagining a deity, recalling a sacred scene, visualizing a teacher, reconstructing scripture, contemplating an icon from memory or rehearsing a ritual narrative.

Visual input from the room can interfere with this internal imagery. Memory experiments show that eye closure improves some forms of visual recollection partly because it reduces competing visual information.

This provides a plausible reason why closed-eye prayer may feel more vivid to some practitioners. It does not imply that the imagery is more objectively true. Reducing external competition can strengthen internally generated experience regardless of whether the imagined content is religious, autobiographical or fictional.

Private prayer can become easier when social monitoring decreases

Human beings are highly responsive to faces and gaze. In a congregation, seeing other people can invite comparison: Who is watching? Am I performing correctly? What is the leader doing? What expression should I have?

Closing the eyes can reduce some of that social monitoring. The worshipper may experience the prayer as more private even while physically surrounded by others.

This is a plausible social-attentional function, but it should not be overclaimed. Many collective rituals deliberately use mutual visibility because synchronized gaze, gesture and movement help build community.

Eyes open can protect against drowsiness

Removing visual stimulation has a cost: reduced environmental engagement can make sleepiness easier, especially when a person is tired. Research in sleep-deprived participants shows that greater eyelid closure predicts more lapses in an auditory vigilance task.

Contemplative traditions know this problem experientially. An open or lowered gaze can help maintain wakefulness during long sitting periods. This is one reason eye state may be intentionally selected according to the goal of a practice.

The best contemplative posture is therefore not always the one that eliminates the most sensory input. Too little stimulation can slide into dullness.

Closing the eyes does not automatically improve auditory attention

People often close their eyes when listening carefully, suggesting that the strategy improves hearing. EEG evidence shows that eye closure can increase alpha modulation associated with auditory attention. Yet one controlled experiment found no corresponding improvement in actual listening performance.

This distinction is valuable. A state can feel more concentrated and produce measurable neural changes without improving every behavioural outcome.

For prayer or chanting, eye closure may still help subjectively by reducing competing visual input. But “I feel more focused” and “my auditory discrimination objectively improved” are different claims.

Why lowered gaze may be a middle path

Many contemplative and ritual systems do not choose between fully open and fully closed eyes. A lowered or unfocused gaze reduces the amount of salient visual information while preserving orientation to the environment.

This middle state can support alertness without inviting constant visual scanning. It may also carry social meanings such as humility, modesty or restraint.

From a cognitive perspective, it reduces stimulation rather than eliminating it. From a cultural perspective, it can embody reverence. The same posture therefore has multiple levels of explanation.

The direction of gaze can be theological

Not every eye practice is about distraction. Looking upward, downward or toward a sacred object can express where a tradition locates authority, presence or humility.

In the Gospel of John, Jesus’ upward gaze accompanies prayer to the Father. In icon-based traditions, looking at an image can itself be devotional. In pilgrimage, seeing the sacred site may be a central point of the ritual.

A neuroscience-only explanation would miss this. Sometimes the eyes are used precisely because the visible world carries religious meaning.

Meditation research itself is biased toward closed-eye practice

A 2025 scoping review of focused-attention EEG and MEG research found that most included studies instructed participants to meditate with their eyes closed: 43 studies used closed eyes, compared with only six using open eyes.

That imbalance matters. If modern laboratories disproportionately study closed-eye meditation, scientific descriptions of “meditation physiology” may overrepresent practices that use that posture.

Traditions such as Zen, which often use an open or half-open gaze, could produce different sensory and attentional dynamics even when practitioners are equally experienced.

Eyes-closed rest is not the same as meditation

A person can close the eyes and daydream, rehearse an argument, become sleepy or worry intensely. Eye closure creates conditions for internal processing; it does not determine what that processing becomes.

Studies comparing meditation with ordinary eyes-closed rest have found physiological and neural differences in some techniques. That is exactly why experimental controls matter. If meditation were merely eye closure, no additional differences should remain after eye state is matched.

The eyelids are therefore a context-setting variable, not the meditation itself.

Eye closure changes the balance between external and internal attention

With eyes open, the visual system continually receives high-resolution external information. With eyes closed, that stream diminishes and internally generated material can become more prominent.

This can support memory, imagery and interoception, but it can also increase mind-wandering. A 2026 study found that the relationship between alpha power and mind-wandering differed depending on whether participants’ eyes were open or closed, illustrating how strongly eye state changes the meaning of neural markers.

There is no simple equation in which closed eyes equal inner awareness and open eyes equal distraction. Internal attention can become either disciplined contemplation or uncontrolled wandering.

Why do people instinctively close their eyes when concentrating?

People close their eyes outside religion too: trying to remember a face, listening to music, imagining directions, tasting something carefully or searching for a word. These everyday behaviours suggest that eye closure is a general cognitive strategy rather than a uniquely sacred invention.

The common mechanism is resource allocation. When visual monitoring is not useful, suppressing it can help another task dominate.

Religious traditions can then attach additional meanings—reverence, inwardness, surrender—to a behaviour that already has practical cognitive effects.

The eye-closure effect is especially clear for memory retrieval

Studies of eyewitness memory repeatedly find improved recall under eye-closure or low-distraction conditions. The benefit appears partly general, through reduced environmental monitoring, and partly modality-specific when visual input would interfere with visual imagery.

A 2026 study of autobiographical memory continues this research tradition, examining how instructed eye closure affects specificity and quality of personal memory retrieval.

Prayer often involves memory—names, events, gratitude, confession, scripture and imagined futures. It is therefore plausible that the same cognitive principle contributes to why closed-eye prayer can feel richer or more recollective.

Closing the eyes can intensify imagery—and that can be helpful or destabilizing

Reducing external visual input allows internally generated images to occupy more of attention. For contemplative visualization this may be desirable. For someone experiencing intrusive imagery, trauma memories or hallucination-like phenomena, it may be uncomfortable.

This is another reason universal advice is inappropriate. A teacher who treats eye closure as a compulsory spiritual rule may unintentionally make practice harder for some people.

Balance and bodily orientation also depend on vision

Vision contributes to balance. Closing the eyes while standing removes one important stream of orientation information, forcing greater reliance on vestibular and proprioceptive signals.

This matters for standing prayer, movement meditation, yoga and elderly practitioners. A posture that is safe with eyes open may become less stable with eyes closed.

Historical rituals may choose eye direction for symbolic reasons, but modern adaptation should still respect ordinary biomechanics.

The claim that closing the eyes “activates the pineal gland” is unsupported

Contemporary spiritual media sometimes claim that eye closure during meditation activates the pineal gland, opens a “third eye” or triggers special hormonal states. Darkness does participate in circadian signalling over time, particularly through light reaching the retina and melatonin regulation, but briefly closing the eyelids during prayer is not evidence for mystical pineal activation.

The established effects are more ordinary and better supported: reduced visual input, altered EEG state, changed arousal and a shift in attentional competition.

The claim that closed eyes automatically create deeper meditation is also unsupported

Depth of meditation cannot be inferred from eyelid position. A skilled Zen practitioner can maintain stable awareness with eyes open. A beginner can close the eyes and spend twenty minutes absorbed in fantasy.

Eye state should therefore be understood as one parameter among posture, object of attention, breathing, instruction, environment and expertise.

Why traditions disagree may be more revealing than why they agree

If all contemplative traditions had independently discovered that closed eyes were biologically optimal, we might expect convergence. Instead, traditions preserve different rules.

Some value withdrawal from visual distraction. Others value wakeful contact with the environment. Some direct the eyes toward heaven, an icon, scripture, a flame or sacred architecture. Others lower the gaze as an embodied sign of humility.

The diversity argues against a universal hidden mechanism being the original cause. It supports a more flexible explanation: cultures selected eye practices that fit their theology, ritual environment and attentional goals.

Modern practitioners can treat eye state as a variable rather than a commandment

If closing the eyes reduces distraction and supports the intended practice, it is a reasonable technique. If it causes sleepiness, panic, intrusive imagery or instability, a soft open gaze may be better.

For prayer involving a text, icon or communal leader, eyes open may be essential. For visualization or memory-heavy private prayer, closed eyes may help. For standing or walking practice, safety may favour vision.

The evidence supports flexibility rather than one spiritually superior eye position.

What survives scrutiny?

• Closing the eyes is common in some prayer and meditation settings but is not a universal religious rule.
• Historical prayer includes closed eyes, lowered gaze, open eyes and upward gaze depending on tradition and context.
• Soto Zen explicitly preserves open-eyed sitting practice, demonstrating that meditation does not require sensory withdrawal.
• Eye closure reliably reduces visual input and changes EEG and arousal state.
• Experiments show that closing the eyes can improve some forms of memory retrieval by reducing environmental distraction and supporting imagery.
• Eye closure does not automatically improve every attention task; subjective concentration and objective performance can diverge.
• Closed-eye and open-eye conditions are scientifically different enough that meditation studies must control for eye state.
• Closing the eyes may increase sleepiness or internal mind-wandering in some circumstances.
• Claims about pineal activation, “third-eye” biology or universal spiritual depth are not supported by ordinary eye-closure research.
• The most defensible explanation is context-dependent: eye closure is a useful attentional tool whose religious meaning varies across traditions.

The Tradivior Evidence Profile

Historical Authenticity — Strong. Closed-eye, lowered-gaze and open-eye contemplative postures are all historically documented; diversity itself is part of the record.

Original-Purpose Evidence — Moderate. Traditions attach meanings such as reverence, inwardness, humility or wakeful presence to eye position, but there is no single historical explanation shared across religions.

Scientific Mechanism — Strong. Reduced visual input, altered sensory competition, changes in arousal and EEG state, and support for memory or imagery are well-established mechanisms.

Experimental Evidence — Moderate to Strong. Eye-closure effects are robust in several memory and neurophysiological paradigms, while performance benefits vary by task and do not establish a meditation-specific advantage.

Cross-Cultural Evidence — Strong. Human religious and contemplative traditions use multiple eye positions, allowing meaningful comparison across prayer, meditation and ritual.

Modern Relevance — Strong. Eye position remains an easily adjustable parameter in meditation, prayer, therapy and attention training and has practical implications for distraction, drowsiness and safety.

The Tradivior Conclusion

Scientifically Plausible—with strong evidence for the basic sensory mechanism. Closing the eyes can reduce visual distraction, change cortical state and support memory, imagery and internally directed attention. Those effects provide a credible modern explanation for why eye closure can help some forms of prayer and meditation. But history does not support one universal religious rule or a single ancient scientific rationale: many traditions pray or meditate with eyes open, lowered or deliberately directed toward sacred objects. Eye closure is best understood as a flexible attentional tool that cultures have given different meanings—not as a biologically mandatory gateway to spiritual depth.

Continue investigating

• Why Do Buddhists Observe the Breath?
• Why Do Humans Meditate?
• Why Do Humans Pray?

Sources and further reading

• Vredeveldt A, Hitch GJ, Baddeley AD. “Eye closure helps memory by reducing cognitive load and enhancing visualisation.” Memory & Cognition. 2011;39(7):1253–1263. PMID: 21491166.
• Perfect TJ, Andrade J, Eagan I. “Eye closure reduces the cross-modal memory impairment caused by auditory distraction.” Journal of Experimental Psychology: Learning, Memory, and Cognition. 2011;37(4):1008–1013. PMID: 21417514.
• Wais PE, Rubens MT, Boccanfuso J, Gazzaley A. “Neural mechanisms underlying the impact of visual distraction on retrieval of long-term memory.” 2010. PMID: 20573901.
• Barry RJ, Clarke AR, Johnstone SJ, Magee CA, Rushby JA. “EEG differences between eyes-closed and eyes-open resting conditions.” Clinical Neurophysiology. 2007;118(12):2765–2773. PMID: 17911042.
• Wöstmann M, et al. “Does Closing the Eyes Enhance Auditory Attention? Eye Closure Increases Attentional Alpha-Power Modulation but Not Listening Performance.” 2019. PMID: 30912726.
• Lieberman JM, McConnell PA, Estarellas M, Sacchet MD. “Neurophysiological mechanisms of focused attention meditation: A scoping systematic review.” Imaging Neuroscience. 2025. PMID: 40800838.
• Systematic review of mindfulness EEG oscillations. 2015. PMID: 26441373.
• Ong JL, Asplund CL, Chia TTY, Chee MWL. “Now You Hear Me, Now You Don’t: Eyelid Closures as an Indicator of Auditory Task Disengagement.” Sleep. 2013;36(12):1867–1874. PMID: 24293761.
• Parkin A, Parker A, Dagnall N. “Effects of instructed eye closure, retrieval strategy and dynamic visual noise on autobiographical memory specificity and quality.” Memory. 2026. PMID: 42644437.
• “Opposite Effects of Alpha Oscillations on Mind-Wandering with Eyes Open and Closed.” 2026. PMID: 42509159.
• Dōgen. Fukan Zazengi (Universally Recommended Instructions for Zazen), Soto Zen tradition; official Soto Zen translation and teaching materials.
• Myers AD. “‘Make Them Holy in Truth’: Jesus’ Prayer for Ongoing Theophany in John 17.” New Testament Studies. 2026.