The Serene Pulse

Problem

What happens when traditional apps fail during a cognitive crisis?

During an active panic attack, acute stress drastically reduces cognitive function and creates intense sensory overwhelm. Users need a reliable, immediate, and completely discreet way to regulate their breathing without drawing unwanted attention to themselves. Existing mobile‑only solutions often fail to provide the immediate physical intervention needed when a user is trapped in a restrictive environment.

Solution

Designing a frictionless lifeline for immediate, grounding relief.

The Serene Pulse allows users to manually activate a physical bracelet to trigger rhythmic, haptic vibrations designed to guide breathing and lower heart rates. Simultaneously, the companion app can automatically route a call to a pre‑selected favorite emergency contact. This creates an intuitive, closed‑loop system that reduces cognitive load and safely de‑escalates stress.

SWOT Analysis

Where do current anxiety and emergency management tools fall short?

I evaluated four major competitors including Rootd and Noonlight to identify critical UX friction points. Many of these apps suffer from unnatural pacing bugs or rely too heavily on continuous background tracking, which drains phone batteries. This analysis highlighted a massive opportunity for a hardware‑software integration that focuses strictly on immediate, tactile self‑regulation rather than persistent surveillance.

A SWOT analysis of competing anxiety and safety apps — Rootd, Panickly, and Noonlight.

Task Flow

What is the structural path of least resistance during an active attack?

I mapped out a fundamental task flow that begins the moment a user is on the verge of a panic attack. The user can immediately activate the haptic system by either pressing the physical buttons on the wearable or using the companion app. From there, the interface guides them to regain composure or seamlessly call for help using the app to ensure proper recovery.

The Serene Pulse task flow — The core task flow: activating the haptic system, then routing to recovery or help.

User Flow

How do we architect an interface that balances deep customization with rapid emergency actions?

The digital architecture prioritizes speed and personalization across four distinct core views. The onboarding flow requires users to set up a profile and select a synchronized initial breathing technique like Box Breathing or the 4‑7‑8 method. Once inside, the landing page isolates the prominent activation button, while the history tab tracks abnormal heart rate trends and reported successes over time.

The Serene Pulse user flow — The user flow across four core views — onboarding, landing, history, and profile.

Sketch Scenario

How does this system function in a real‑world, high‑stress workspace?

I sketched a step‑by‑step scenario featuring a nurse confronting an abusive and aggressive patient. As panic creeps in, she is able to leave the room and discreetly activate the wearable without drawing attention to herself. By breathing in rhythm with the physical device’s slow pulses, she rapidly lowers her heart rate from 127 to 93 bpm and regains total composure.

Hand-drawn sketch scenario of a nurse using the wearable — A sketched scenario: a nurse discreetly grounding herself during a high‑stress shift.

Research & Survey

What physical sensations actually produce feelings of calm in young adults?

I conducted in‑person interviews and distributed an online survey via Qualtrics to gather qualitative and quantitative data from young adults. The research revealed that a “light squeeze” and “haptics (vibrations)” were overwhelmingly ranked as the most helpful physical interventions for grounding. Furthermore, participants strongly demanded manual activation over automatic detection to retain control and prevent public embarrassment.

View Full Research Document Here →

Journey Map

How does a user’s emotional state fluctuate during a triggering event?

The journey map explicitly tracks a nurse’s emotional deterioration as a workplace situation spirals out of comfort. Her anxiety hits its lowest, most critical point during the emergency as sensory overload takes over. By interacting with the grounding bracelet, her emotional trajectory swings back to positive, giving her the confidence to finish her shift safely.

Nia Parker journey map — Nia Parker’s journey map, tracking her emotional arc through a triggering event.

Moodboard

What visual and emotional guidelines anchor the visual identity?

I established a comprehensive style guide anchored by four core words: Grounded, Restorative, Intuitive, and Empowering. The goal was to build a calm, soothing vibe that utilizes earthy tones like green and brown to naturally symbolize serenity and relaxation. This ensures the interaction results in a natural choice that dramatically lowers cognitive effort during a crisis.

The Serene Pulse moodboard — The moodboard, anchored by four words: Grounded, Restorative, Intuitive, and Empowering.

Wireframes

How do we organize complex health data without cluttering the interface?

I developed low‑fidelity wireframes to establish a clean informational hierarchy across the product ecosystem. The homepage features a massive, centered activation lotus button, keeping primary functions separated from secondary data screens. The supporting views organize clean lists for favorite emergency contacts, real‑time heart rate graphs, and a simplified vertical activation timeline.

Iterate. Iterate. Iterate.

How did user feedback alter the core functionality of the interactive prototype?

Early usability testing revealed that including a direct button to call 911 actually induced massive secondary stress for users during a panic attack. Based on this critical insight, I immediately removed emergency services and replaced it with an automated cycling function for a “favorite” emergency contact. I also redesigned the vague timeline iconography and added subtle toast notifications to confirm user actions without causing distraction.

Prototype screens refined through testing — Prototype screens refined through usability testing.

Final Product

How does the high‑fidelity UI deliver a premier health experience?

The final high‑fidelity compositions successfully merge a soothing, earthy aesthetic with rapid emergency utility. The landing page balances real‑time heart rate stats (like 132 bpm) with a massive, un‑missable green activation indicator. This design yields an impressive mean System Usability Scale (SUS) score of 88.75, validating that the layout is incredibly optimized for compromised mental states.

Final high-fidelity Serene Pulse screens — The final high‑fidelity screens, scoring a mean SUS of 88.75.

Reflection & Conclusion

What did designing for acute psychological distress teach me about product design?

Prototyping an application meant to be used during an active panic attack requires a strict, unforgiving evaluation of cognitive load. You cannot rely on complex inputs or buried settings when a user’s survival instincts are actively firing. This project opened my eyes to the profound responsibility of inclusive design, proving that thoughtful UX has the power to restore a user’s daily independence and peace of mind.