NSI Drills · Bonus
Bonus drills.
Four more
for the kit.
Four extra drills for steadiness, balance, blood pressure and the quickest mood reset there is.
Four drills, three steps each, with a guided clock and the research behind every one, limits included. Tick what’s true in the checklist, then pick the drill that fits the moment you’re in.
Bonus
Bonus Drills
Four extra drills for steadiness, balance, blood pressure and the quickest mood reset there is.
Drill 1 of 4
Scent Reset
Smell skips the line.
A one-minute drill that uses a scent you love to take the most direct route to your emotional brain.
Overwhelmed or numb?
If this is you right now
- A small annoyance would land way bigger than it should
- I feel flat, numb or foggy — like I'm watching from a few feet back
- There's dread with no clear object attached to it
- I can't tell what I'm feeling — just that it's a lot, or nothing
If you checked even one, try a drill below.
- The reframewhat's really going on
- You're not being sentimental. Smell really does reach feeling first.
- You'll need
- A scent you like · one minute
- The one rule
- Pick a scent that feels safe.
Every other sense stops at a relay station before the brain's emotion centers. Smell goes almost straight there, so a scent can shift your mood before you can name it.
The drill
- 1
Pick a scent you love
Coffee, citrus peel, a spice, an oil
Pick a smell you genuinely like. Press one nostril closed with a fingertip, take one gentle sniff, and rate its strength from 1 to 10.
TEN SECONDS
- 2
One side at a time
Slow, gentle sniffs
Keep that side closed and breathe the scent in slowly through the open side. Three to five easy breaths, never a hard sniff.
THREE TO FIVE BREATHS
- 3
Switch and compare
The two sides often differ
Switch sides and repeat, then rate it again. Which side smelled stronger, or felt more settling? Start there next time.
THIRTY SECONDS
Why it works
A shortcut to the feeling brain
Smell is the only sense that skips the thalamus, the brain's relay station. Its first stop includes the amygdala, the emotion center. Smells also bring back more emotional memories than words or pictures do, and in a 2019 review of clinical trials, inhaling lavender lowered anxiety.
Gottfried, Nature Reviews Neuroscience (2010) · Herz, Brain Sciences (2016) · Donelli et al., Phytomedicine (2019)
The one rule
Pick a scent that feels safe.
A scent tied to a hard time can bring that time back, so pick one with good associations. Keep sniffs gentle, and never put essential oil in your nose or on bare skin.
Drill 2 of 4
Yes, Yes, No, No
The room shouldn't lag when you turn your head.
A one-minute test, and drill, for the reflex that holds your world still every time you move.
Woozy when you move?
If this is you right now
- Reading in a moving car makes me queasy
- Quick head turns make the room swim for a second
- Busy stores and scrolling screens wear me out fast
- I turn my whole body instead of just my head
If you checked even one, try a drill below.
- The reframewhat's really going on
- You're not clumsy. Your eyes are a beat behind your head.
- You'll need
- Your thumb and one minute
- The one rule
- The thumb stays sharp.
Every head turn asks your eyes to counter-move instantly. When that reflex lags, the world smears for a moment, and your body braces against it.
The drill
- 1
Lock on
Thumb at arm's length, eye level
Hold your thumb at arm's length, level with your eyes, and focus until it's sharp. If your balance is shaky, sit down or stand near a wall.
SETUP
- 2
Nod yes, yes
Eyes stay glued to the thumb
Keeping your eyes on the thumb, nod up and down at a comfortable speed, 8 to 10 times. Pause. Is the thumb still sharp? Any wooziness?
8–10 NODS
- 3
Shake no, no
Same thumb, side to side
Now turn your head side to side, eyes still locked on, 8 to 10 times. Pause and compare. The direction that blurred more is the one to train.
8–10 TURNS
Why it works
Your eyes move opposite your head
Each time your head moves, an inner-ear reflex turns your eyes the same amount the other way, so the world holds still. Drills like this one train that reflex, and they're a core part of vestibular rehab. Across 39 trials and 2,441 people with inner-ear problems, rehab reduced dizziness, with gains lasting months.
McDonnell & Hillier, Cochrane Database of Systematic Reviews (2015) · Han, Song & Kim, Journal of Clinical Neurology (2011)
The one rule
The thumb stays sharp.
If it blurs or slides, slow your head down. Stop if you get dizzy, nauseous or a headache, and see a vestibular physical therapist if dizziness hangs around.
Drill 3 of 4
Balance Progression
Balance training cut falls by 24%.
That's across 108 trials in older adults. Here's where to start: both feet on the floor.
Feeling unsteady?
If this is you right now
- I grab the railing more than I used to
- Putting on socks standing up is a project
- I can't feel my feet without looking at them
- I've stumbled or nearly fallen this year
If you checked even one, try a drill below.
- The reframewhat's really going on
- You're not getting clumsy. Your balance is out of practice.
- You'll need
- A wall or chair within reach
- The one rule
- Move up a rung only when it's easy.
Balance is a skill your brain keeps sharp only when it's challenged. Flat floors, cushioned shoes and handrails never challenge it, so it fades quietly.
The drill
- 1
Turn left, right
Pick a stance, eyes on one point
Pick a stance for your feet and fix your eyes on a single point ahead. Quickly snap your head to the right, hold until you're steady, then return slowly. Then left.
LEFT · RIGHT
- 2
Tilt ear to shoulder
Same snap, same slow return
Quickly snap your right ear toward your right shoulder, hold until you're steady, then return slowly. Then left. Keep your eyes on the point.
LEFT · RIGHT
- 3
Look up, down
Then find your shakiest move
Quickly snap your chin up, eyes on the point, hold until you're steady, then return slowly. Then down. Which of the six wobbled most? Train that one.
UP · DOWN
Why it works
The hard version pays off
Across 108 trials, balance and functional exercise cut the rate of falls in older adults by about 24%. An earlier analysis found the biggest drop, 39%, in programs that truly challenged balance and added up to more than three hours a week. Quick head turns add your inner ear to that challenge.
Sherrington et al., Cochrane Database of Systematic Reviews (2019) · Sherrington et al., British Journal of Sports Medicine (2017)
The one rule
Move up a rung only when it's easy.
Stay within reach of the wall. Stop if you get dizzy or nauseous, or catch yourself holding your breath. Neck pain? Make the moves smaller.
Drill 4 of 4
The Wall Sit
The top exercise for blood pressure isn't cardio.
In a review of 270 trials, holding still lowered blood pressure most. Wall sits ranked first for the top number.
Blood pressure creeping up?
If this is you right now
- My last blood pressure reading was higher than I'd like
- I don't have time for a full workout
- Cardio alone hasn't moved my numbers
- I want something I can do at home, no gear
If you checked even one, try a drill below.
- The reframewhat's really going on
- You don't need to love running. You need a wall.
- You'll need
- A wall and 14 minutes
- The one rule
- Breathe. Never hold your breath.
A wall sit looks like nothing and feels like a lot. Four two-minute holds, three days a week, is the routine the wall sit studies used.
The drill
- 1
Find your depth
Back flat, knees over ankles
Back flat against a wall, slide down until your knees are over your ankles. Go deep enough that a two-minute hold gets hard near the end.
SETUP
- 2
Hold for two minutes
Breathing the whole time
Hold still for two minutes, breathing steadily throughout. Shaking legs are fine. If your knees hurt, slide higher.
2 MINUTES
- 3
Rest, then repeat
Four holds, three days a week
Stand and rest for two minutes. Do four holds in all, three days a week with a rest day between. The change builds over weeks, not in one session.
4 × 2 MIN, 3 DAYS A WEEK
Why it works
Holding still beat cardio
A 2023 review of 270 trials and nearly 16,000 people found isometric exercise lowered resting blood pressure by about 8 points on top and 4 on the bottom, nearly double the effect of aerobic exercise. Wall sits ranked highest for the top number. Like any training, it takes weeks.
Edwards et al., British Journal of Sports Medicine (2023) · Wiles, Goldring & Coleman, European Journal of Applied Physiology (2017)
The one rule
Breathe. Never hold your breath.
Straining while holding your breath spikes blood pressure. If your blood pressure is uncontrolled or you have a heart condition, check with your doctor first.

