A foundations course for the Highly Sensitive

You were never too much.
You were wired this way.

HSP SOS is the foundations course that helps Highly Sensitive People understand the trait, regulate the nervous system, and turn sensitivity into a superpower — taught by an HSP, in your pocket.

★★★★★App Store·Taught by Sadie Ackerman · @thesavvysensitive·Built by HSPs, for HSPs
HSP SOS app — today's lesson screen

A moment of recognition

Does any of this sound like you?

You feel everything more deeply — joy, grief, other people’s moods — and you can’t turn it off.

After a full day with people, you need to be alone in a quiet room before you can speak again.

Lights, noise, crowds, group chats — small things wear you out in ways no one else seems to notice.

You’ve been called “too sensitive,” “too much,” “too quiet” your whole life.

You mask all day, and by evening you’re running on fumes you can’t explain.

You pick up the room’s tension before anyone says a word.

Conflict — even small disagreements — stays in your body for hours.

You’ve tried meditation apps, therapy, journaling. Some helped a little. Nothing felt built for you.

If that’s you — you’re not alone, and you’re not broken. You’re one of the 1 in 5.

A highly sensitive woman resting quietly by a softly lit window

The quiet cost

The hardest part is not knowing why everything feels so loud.

Without a name for it, you assume something is wrong with you. You white-knuckle through fluorescent offices, crowded rooms, group chats that never stop pinging. You mask, you over-give, you collapse at the end of the day and call it being tired.

You try to be tougher. It doesn’t work — because the wiring isn’t the problem. The problem is that no one ever handed you the manual.

Every year without these foundations is a year of unnecessary suffering. That stops here.

The science of sensitivity

It has a name. It has research. And it has always been you.

What you’ve been calling “too sensitive” is a researched personality trait called Sensory Processing Sensitivity (SPS) — first studied by Dr. Elaine Aron. It shows up in roughly 1 in 5 people and has been observed in more than 100 species. It is innate. It is neurological. It was never a choice.

Depth of processing

You think about everything, deeply, before you respond. Decisions feel heavier because you actually see more of them.

Overstimulation

Lights, sound, schedules, screens — your nervous system takes in more, so it fills up sooner.

Emotional reactivity & empathy

You feel your feelings — and other people’s — at higher resolution. It’s the source of your insight, and the source of the overwhelm.

Sensitivity to subtle stimuli

You catch the shift in someone’s tone, the change in the room, the detail no one else clocked.

Your sensitivity is the gift and the cost from the same wiring. The course teaches you how to use it as a superpower.

That’s why HSP SOS exists

The foundations course Sadie wished she’d had.

A structured, step-by-step education in being a Highly Sensitive Person — built around the actual science of the trait, taught by a real HSP, and tucked inside an iOS app so it’s with you wherever the overwhelm finds you.

  • Structured 8-section course — not a random feed of meditations
  • Taught by an HSP, in plain language, never clinical
  • Guided audio practices and ~20 downloadable resources
  • Built around Dr. Aron’s DOES framework
  • Bonus Affirmism sound-healing module included

The foundations course that turns a lifelong “problem” into your superpower.

HSP SOS app — course modules screen

Who you’ll meet on the other side

Same wiring. A whole new relationship to it.

Before
  • Feels too much, all the time
  • Masks to survive the day
  • Exhausted by ordinary things
  • “What’s wrong with me?”
  • White-knuckles through overstimulation
  • Lonely — no one quite gets it
After the foundations
  • Understands her wiring on a nervous-system level
  • Has real tools for overwhelm in her pocket
  • Knows her needs in relationships and can name them
  • Recovers from overstimulation faster
  • Sees the trait as a gift, not a flaw
  • Feels at home in her own sensitivity

The curriculum

Here’s everything inside.

Eight sections. Twenty lessons. Guided audio practices and downloadable resources tucked into the modules they belong to — so by the end, you don’t just understand the trait. You have a toolkit for it.

Welcome2 lessons

Start Here — Orientation & First Practices

Settle in, meet Sadie, and learn what to expect. Two bonus guided practices you can use the moment you need them.

  • Cord Cutting & Forgiveness Meditation
  • Bubble Building practice
01 / 7
Module 14 lessons

Depth of Processing — Lifestyle & Career

Why work, time, and decisions feel heavier for you — and how to shape a lifestyle and career that fit an HSP nervous system.

  • Morning & Nighttime Routine PDFs
  • Grounding Meditation
  • Working Genius resources
02 / 7
Module 24 lessons

Overstimulation — Environments & Sensory Load

Find your zone of tolerance. Audit the spaces, sounds, and screens around you and quietly redesign them for your wiring.

  • Environmental checklist
  • HSP-friendly smartphone setup
  • Sensory load worksheet
03 / 7
Module 35 lessons

Empathy, Relationships & Emotional Reactivity

Tools for empathy without absorption — boundaries, conscious communication, and recognizing the relationships that drain you.

  • Emotional Digestion practice
  • Emotions Wheel
  • EFT Tapping guide
  • Conscious Communication PDF
04 / 7
Module 43 lessons

Physical Health & Spirituality

What your body actually needs as an HSP, plus the spiritual practices that help sensitive people feel at home in themselves.

  • Practitioner Referral List
  • HSP body-care primer
  • Spiritual practice starters
05 / 7
Bonus Module2 lessons

Affirmism — Sound Healing to Come Home to Your Self

The Garden Metaphor and the Affirmism practice — record your own voice as a personal sound-healing affirmation. Optional deep-link to the Affirmism companion app.

  • The Garden Metaphor
  • Affirmism guided practice
06 / 7
Wrap Up1 lesson

Congratulations — Integration & Next Steps

Close the loop. How to keep these foundations alive in your everyday life, and where to go from here.

  • Integration prompts
07 / 7
20
Lessons
6
Guided audio practices
20+
Downloadable resources
1
Taught by an HSP, for HSPs

How it works

Built for an HSP nervous system, on purpose.

01
Download the app

Free to download. The course unlocks the moment you’re ready — no email gate, no quiz first.

02
Start with Section 0

Sadie walks you in. You’ll have two guided practices in hand before the first module even begins.

03
Take it at your pace

Lessons are 5–15 minutes. No streaks, no shaming notifications, no infinite feed. You return when it feels right.

Every lesson has a short video, a calm text version you can read instead, and the resources for that lesson saved one tap away.

Sadie Ackerman, creator of HSP SOS

Meet your instructor

Hi, I’m Sadie.

I’m a Highly Sensitive Person, and I made HSP SOS — Highly Sensitive Person + SOS, the Morse for help — because no one ever sat me down and explained my own wiring to me. I had to find it the long way.

I built this course for the woman who just discovered the term and is quietly crying because finally something fits, and for the woman who’s known her whole life she was different and never knew what to do about it. You get validation, you get guidance, and you get the tools — in the voice of someone who shares your nervous system.

You can find me on Instagram and TikTok at @thesavvysensitive · TikTok.

“Being a Highly Sensitive Person is an incredible gift — once you learn how to use the trait as a superpower.”

For the part of you that wants the evidence

This is a real, researched trait — and a real framework.

Sensory Processing Sensitivity is studied science.

Dr. Elaine Aron’s foundational research on SPS describes a trait observed in roughly 1 in 5 people and documented in over 100 species. Honest credibility, no overclaim.

DOES is the curriculum’s organizing principle.

Modules 1–3 map directly onto the four DOES traits — Depth of processing, Overstimulation, Emotional reactivity/Empathy, and Sensitivity to subtle stimuli. Real scaffolding, not marketing language.

Nervous-system regulation is a recognized practice.

Breathing, grounding, and somatic techniques — the kind taught inside the course — are widely recognized tools for nervous-system regulation. We describe them honestly, never as medical treatment.

What HSPs are saying

Voices from people who sound like you.

App Store reviews shown once available. These are early reader notes Sadie has received.

★★★★★
I’ve known I was sensitive since I was a child. This is the first thing that didn’t try to fix me — it explained me. I cried in section two.
Mara · 31, lifelong HSP
★★★★★
The lessons are so short I actually finish them. I’ve done more for my nervous system in two weeks than I did in two years of meditation apps.
Priya · discovered I was an HSP last month
★★★★★
The overstimulation module alone was worth it. I rearranged my classroom, my phone, and my evenings. I feel like I have my Sundays back.
Eliza · burned-out teacher, 44

The offer

One small yes. The whole foundations course.

HSP SOS
See App Store for current pricing

Pricing and any trial details are always live in the App Store, so what you see there is what you get.

  • 19 taught video lessons + a wrap-up closer
  • Guided audio practices: Cord Cutting & Forgiveness, Bubble Building, Grounding, Garden Metaphor, Emotional Digestion
  • ~20 downloadable PDFs — Morning & Nighttime Routine, EFT Tapping, Conscious Communication, Practitioner Referral List, and more
  • Bonus Affirmism sound-healing module
  • Lifetime access to your foundations

Less than a single therapy copay. Less than one intensive coaching session. Yours for as long as you have the app.

Try it in the App Store

Any trial or intro pricing is shown directly at checkout in iOS, so you always see the real terms before you commit.

Cancel any time

Subscriptions are managed in iOS Settings — Apple handles cancellations, not us. No phone call, no friction.

Your data stays yours

Your progress lives on your device and your Apple ID. We don’t sell personal data. Read the full policy any time.

Privacy·Support

A quiet reason to begin today

There’s no countdown here. Just the quiet truth that the longer you wait, the longer you keep believing something is wrong with you. Today is when your foundations start.

— Sadie

FAQ

Every “but…” answered with warmth.

Come home to your wiring

You are not too much. You are not broken. You were always this way — and HSP SOS is the foundations course that finally teaches you how to use it.

Taught by Sadie Ackerman · @thesavvysensitive

Sadie Ackerman