Zac Gardner

@zig_zac_rn

ICU RN since 2007 | OA Level 2 Instructor Helping you breathe better, stress less & perform at your best.
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Weeks posts
Burnout is a real thing, and nursing can be an incredibly stressful job. But staying in a job you hate, especially bedside nursing, is not good for anyone. #Nurse #icunurse #burnout #nurselife #jobchange
3 0
10 days ago
The top athletes in the world pay attention to how they breathe. The first step is self awareness. How do you breathe? Mouth? Nose? Shallow? Deep? Chest? Belly? Do you use your diaphragm? Do you know what your diaphragm is? #oxygenadvantage #breathwork #biohacking
6 0
10 days ago
I’m not just teaching this… I’m working on it every day. Some days I’m dialed in. Some days I catch myself slipping. That’s the process. You don’t master calm under pressure. You train it. #breathwork #nurselife #stressrelief #biohacking #oxygenadvantage
8 3
12 days ago
Stress isn’t just in your head. And it’s not just in your body. It’s a loop. Thoughts; physiology Physiology; thoughts Back and forth. You can’t always control the first thought. But you can control your breathing. And that’s one of the fastest ways to break the loop. Calm under pressure is trainable. Free reset protocol in bio #stressrelief #nurselife #breathwork #icunurse
10 1
15 days ago
You’re using your breath every second of the day. But most people have no idea how powerful it actually is. Your breathing controls: • your state • your stress • your focus • your performance It’s not just air. It’s a signal. And it’s something you can learn to control. Calm under pressure is trainable. Free reset protocol in bio #breathwork #nurselife #biohacking
9 0
21 days ago
What if you’re not burned out… you’re just stuck “on.” You can handle stress all day. But you never fully come back down. That’s not weakness. That’s a nervous system that hasn’t been trained to downshift. And most people never learn how. Calm under pressure isn’t just about handling stress. It’s about knowing how to leave it. Check out my stan store in the link. #stressrelief #breathwork #nurselife #burnout
9 0
23 days ago
Biggest mistake with breath holds: Going too hard. If you’re gasping… panicking… or forcing it… You’re training stress, not control. The goal: Controlled discomfort Calm under rising CO₂ That’s where adaptation happens. Train smarter. Free reset protocol in bio #stressrelief #nurselife #oxygenadvantage
9 0
28 days ago
That performance study? Remember, the one about the benefits of holding your breath? Here’s how to start applying it: Keep it simple: Walk, exhale, hold. Until moderate air hunger Then recover with slow nasal breathing Repeat a few rounds. No extremes needed. You’re training your body to stay calm as CO₂ rises. That’s stress training. Free reset protocol in bio
15 0
1 month ago
Hold your breath, it’s gonna be a great day
11 2
1 month ago
This is wild. Rugby players trained for 4 weeks doing repeated sprints. One group added breath holds. Results: +64% improvement in repeat sprint ability vs +6% with normal breathing They didn’t get faster… They got better at handling fatigue. Breath holds create: • low oxygen • higher CO₂ • more internal stress Which forces the body to adapt. Better breathing means better performance. Train your breath under stress and you’ll perform better under stress. Free reset protocol in bio #breathwork #oxygenadvantage #nurselife #biohacking
51 5
1 month ago
That “6 breaths per minute” thing? Here’s how you actually do it: Inhale (nose) 4–5 sec Exhale 5–6 sec Slow. Quiet. Controlled. 1–2 minutes is enough to feel a shift. This is where your body starts to sync up. You’re not just relaxing. You’re training your nervous system. Free reset protocol in bio #oxygenadvantage #breathwork #stressrelief #nurselife
13 1
1 month ago
Slow breathing isn’t just “relaxation.” It changes your physiology. This research shows: • improved heart rate variability • better oxygen efficiency • lower blood pressure • stronger nervous system regulation There’s even a “sweet spot” around ~6 breaths/min where your body becomes more synchronized. You’re not just calming down. You’re training your system. Calm under pressure is physiological. Free reset protocol in bio
9 0
1 month ago