What Is Zazen?
Zazen — literally translated as "seated meditation" from Japanese — is the central practice in Zen tradition. But to call it simply "sitting" undersells what is actually happening. Zazen is the practice of sitting in complete stillness, with an upright posture, alert presence, and no particular agenda — not trying to relax, not trying to achieve clarity, not trying to stop thoughts. Just sitting, fully and completely.
To a newcomer, this sounds either trivially easy or frustratingly vague. In practice, it is neither. Zazen is one of the most demanding and — when approached correctly — one of the most rewarding things you can do with 20 minutes of your day.
The instruction at the heart of zazen was articulated by the 13th-century Japanese teacher Dogen Zenji as "shikantaza" — "just sitting." It is not a technique in the usual sense. There is no object to focus on, no sequence of steps to follow, no visualization to construct. You sit. You stay present. You resist the pull of mental activity while remaining fully awake. The simplicity is the difficulty.
Why Neuroscience Is Paying Attention to Zazen
Over the past two decades, Zen meditators have become among the most-studied subjects in contemplative neuroscience. A key reason: Zen practitioners are often long-term meditators with verifiable practice histories, making it possible to study the effects of sustained practice at high resolution.
Research published in Psychosomatic Medicine by Richard Davidson's lab at the University of Wisconsin-Madison found that experienced Zen practitioners showed significantly increased gamma-wave activity during meditation — a neural signature associated with heightened conscious awareness and perceptual binding. Remarkably, even during rest (outside of meditation), these practitioners showed elevated gamma activity, suggesting that sustained practice produces lasting changes in baseline neural function.
A separate study by Zoran Josipovic at NYU used fMRI to study "nondual awareness" — a state that experienced Zen practitioners describe as open, undivided presence — and found it was associated with a distinctive neural signature different from both ordinary mind-wandering and focused attention meditation. The research suggested that zazen trains a mode of awareness that is genuinely distinct from other mental states, not simply a relaxed version of everyday consciousness.
On the psychological side, research on acceptance-based interventions (which share structural features with zazen's non-grasping stance) consistently shows reductions in experiential avoidance — the tendency to suppress or flee from uncomfortable internal experiences. This reduction is one of the strongest predictors of improved mental health outcomes across multiple clinical populations.
Posture: The Body as Practice
In zazen, posture is not incidental to the practice — it is the practice. The body's position communicates directly to the nervous system and shapes the quality of awareness.
The Spine
The most important element of zazen posture is a naturally erect spine. Not a military-stiff rigidity, but a relaxed uprightness — the same quality a tall tree has. When the spine is erect, the breath moves freely, the mind is alert rather than drowsy, and the body can remain still for extended periods without accumulating strain.
Imagine a thread gently pulling upward from the crown of the head. The chin tucks slightly, lengthening the back of the neck. The shoulders drop and relax back. The lower back maintains its natural curve — neither exaggerated nor flattened.
Hand Position (Mudra)
In traditional zazen, the hands are held in the cosmic mudra: place the non-dominant hand palm-up in the lap, rest the dominant hand on top of it palm-up, and bring the tips of the thumbs together lightly, forming an oval. The mudra rests against the lower abdomen, a few inches below the navel.
This hand position serves a practical function: because the thumbs are lightly touching, any collapse in attention — a slide toward sleepiness or distraction — immediately shows up as the oval flattening or the hands dropping. The mudra acts as a biofeedback device.
Sitting Options
Full lotus: Both feet resting on the opposite thighs. This is stable and symmetrical but requires significant hip flexibility. Do not force it.
Half lotus: One foot on the opposite thigh, the other foot tucked under the leg. More accessible and still quite stable.
Burmese position: Both feet flat on the floor in front of you, knees on the floor or cushion. Comfortable for most beginners.
Seiza: Kneeling with a cushion or meditation bench between the legs and under the buttocks. Excellent for people with hip issues.
Chair: Sitting on the front half of a chair with feet flat on the floor, not leaning against the back. Fully valid for practitioners with physical limitations.
Regardless of position, the key is that the pelvis tilts slightly forward, placing the weight of the upper body on the lower belly rather than collapsing backward into the lumbar spine.
Eyes
In zazen, the eyes are typically half-open — lowered at roughly a 45-degree angle, not focused on anything in particular, with the gaze resting naturally two to three feet in front of you on the floor. This is deliberate: fully closed eyes tend to encourage drowsiness and a retreat into mental imagery. Half-open eyes maintain the quality of alert, receptive presence that zazen aims at.
If the half-open position is genuinely distracting at first, fully closed eyes are acceptable temporarily. Most practitioners transition to half-open eyes within a few weeks.
Breathing in Zazen
Unlike breath-focused meditation, zazen does not instruct you to "follow the breath" in an active sense. The breath is allowed to breathe itself — naturally, without control or deliberate shaping.
That said, the breath does have a role to play, especially in the early stages. When the mind is particularly active or the body tense, a few deliberate, deep exhalations can help settle the system before allowing the breath to return to its natural rhythm. The exhalation in zazen is generally emphasized: long, smooth, and complete. Inhalation takes care of itself when the exhalation is full.
Some teachers instruct beginners to count breaths as a stabilization aid: count from one to ten on each exhalation, then begin again. If you lose count, return to one without judgment. This is not the core of zazen — it is training wheels for the mind that help build the basic stability needed to "just sit."
Over time, counting is abandoned in favor of simply sitting — alert, upright, open, without the crutch of an object to track.
The Central Challenge: What to Do With Thoughts
This is the question every new zazen practitioner asks, and the answer is less intuitive than most people expect.
You are not trying to stop thoughts. You cannot stop thoughts through effort — the attempt to do so only creates more mental activity. Instead, the instruction is to neither follow thoughts nor fight them.
When a thought arises — a memory, a plan, a worry, a judgment — notice it arising. Do not suppress it. Do not engage with it or follow where it leads. Simply let it be what it is: a passing mental event. In time, without your engagement, it will pass on its own. Return your attention to sitting — to the physical reality of your body in space, your breath, the sounds in the room.
Zen teachers sometimes use the metaphor of the sky and clouds: the thoughts are clouds. You are the sky. Clouds appear, drift, and disappear. The sky is not disturbed.
Psychologists working in the tradition of third-wave cognitive-behavioral therapy use very similar language. What ACT therapists call "cognitive defusion" — the ability to observe thoughts as passing mental events rather than facts requiring action — is structurally identical to what zazen trains. Research on defusion consistently shows it reduces the distress and behavioral influence of difficult thoughts without requiring you to believe something different about their content.
A Step-by-Step Guide to Your First Zazen Session
Before You Sit
Choose a quiet space where you will not be disturbed. Set a timer for 20 minutes — long enough to settle the mind, short enough not to be daunting. Remove distractions: phone on silent and out of sight, notifications off.
You will need either a meditation cushion (zafu) or a folded firm blanket to raise the hips slightly above the knees. A chair is fine if floor sitting is not accessible.
The Setup (2 minutes)
Take your chosen position. Adjust the pelvis so it tilts slightly forward. Establish the spine's natural upright quality. Place the hands in the mudra. Soften the face — jaw relaxed, eyes half-open.
Take three deliberate, slow exhalations to release any obvious physical tension. Then allow the breath to find its natural rhythm.
Settling Period (First 5 minutes)
The first few minutes are typically the most active mentally — the mind generates a storm of planning, commentary, and resistance. This is normal. Do not interpret it as failure.
If you are using breath-counting as a support, begin now: count each exhalation from one to ten, then return to one. If distracted, simply return to one.
If not counting, just sit. Notice the body's contact with the cushion or chair. Notice the hands lightly touching. Notice ambient sounds. Stay.
The Sitting Period (Next 15 minutes)
Continue. Thoughts arise and pass. Physical sensations arise — some pleasant, some uncomfortable. Stay still. When you notice you have been carried away by thought, return, without drama, to sitting.
The quality you are aiming at is not blankness or silence — it is alert, open presence. You are fully here, receiving whatever arises, not chasing it and not pushing it away.
If significant physical discomfort arises, make a single, deliberate adjustment — then return to stillness. The impulse to fidget is often the mind's attempt to avoid presence, not a genuine physical necessity.
Closing the Session
When the timer sounds, do not leap up immediately. Lower your gaze, take a few deliberate breaths, and allow the transition from stillness to activity to be gradual. Bow gently — a small bow of acknowledgment to the practice itself, and to yourself for sitting.
Building a Daily Zazen Practice
Start Small
Twenty minutes per day is a substantive commitment. If that feels like too much initially, begin with 10 minutes and increase by five minutes each week until you reach 20–30 minutes. Research on habit formation consistently shows that small, sustainable actions compound over time; ambitious targets that lead to irregular practice do not.
Same Time, Same Place
The body and mind respond to environmental cues. Meditating in the same spot at the same time each day reduces the activation energy required to start — you are not deciding to meditate, you are simply following an established routine. Most experienced practitioners meditate first thing in the morning, before the day's demands create mental noise.
Morning Is Optimal (But Consistency Trumps Timing)
Early morning practice has the advantage of a quieter mind and fewer scheduling conflicts. But if evening practice is what you will actually do consistently, evening practice is better than no practice. The single most important variable in long-term benefit is consistency.
The Role of Stillness
One thing that distinguishes zazen from more informal mindfulness practices is its emphasis on physical stillness. Maintaining stillness — resisting the urge to scratch, shift, adjust — is not masochism. It trains the mind to stay with discomfort without immediately reacting, which is exactly the skill that transfers most directly to daily life. Research on distress tolerance (Marsha Linehan's work in dialectical behavior therapy) identifies this capacity — staying present with discomfort without reacting — as foundational to emotional regulation.
Common Misconceptions About Zazen
"I'm not doing it right because my mind is too busy." The mind is always busy. Noticing that the mind is busy is the practice. There is no version of zazen where thoughts stop; there is only the increasingly skilled response of returning, returning, returning.
"I need to achieve some special state." Zazen does not aim at a special state. The instruction is to sit fully, without agenda. Any state — alert, drowsy, agitated, peaceful — is equally workable. What you are training is not the state but the quality of presence within whatever state arises.
"I need years of practice before I get benefit." This is false. Research on even brief mindfulness interventions (four to eight weeks) consistently documents significant changes in stress reactivity, emotional regulation, and attention. You do not need mastery to benefit; you need consistency.
"It should feel peaceful and calm." Sometimes it does. Sometimes it does not. Both are fine. The practice is not contingent on a pleasant experience.
Integrating Zazen Into Daily Life
The formal sitting practice is primary, but zazen has informal dimensions that practitioners often find equally valuable:
Walking slowly between rooms, fully present to the movement of feet, the sensation of each step — this is the beginning of bringing the zazen quality of attention into daily life.
Pausing before responding in conversations — a half-second of stillness before speaking — begins to introduce the non-reactivity trained in sitting into interpersonal life.
Single-tasking — doing one thing at a time, with full attention — directly applies the focused presence of zazen to work and daily activities.
The goal, over time, is not to have a meditation practice that you visit for 20 minutes in the morning. It is for the quality of presence developed in zazen to begin coloring the rest of your day — more alert, less reactive, more genuinely here for whatever is happening.
What Long-Term Practitioners Report
Practitioners who have maintained a daily zazen practice for several years consistently describe a shift in their relationship to mental activity. Thoughts become less compelling — less sticky, less directive. Emotions become less destabilizing — they arise, they are noticed, they pass. What one practitioner described as "the constant background noise of worrying about myself" gradually quiets.
This is not a promise of permanent serenity. Life continues to bring its full complement of challenges. But the pervasive sense of reactivity — of being buffeted by every internal weather system — begins to settle. What replaces it, most practitioners report, is something quieter and more durable: a stable quality of presence that does not depend on circumstances going well.
That is what "just sitting" is training. And it is available, starting now, with nothing more than a cushion, a timer, and twenty minutes.