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Sleep: The Silent Reboot

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Sleep is often the first sacrifice and the last priority in high-performance environments. But here’s the truth: if we’re serious about resilience, decision-making, learning, and recovery, sleep isn’t optional. It’s operational.


I felt this keenly during my PC-21 conversion. The days were long, the learning curve vertical.


My mind was crammed with checklists, radio calls, and flows. I knew that my recall, focus, and composure would crumble if I didn't protect my sleep.


So I treated sleep as a mission, just as essential as the sortie itself.


What Happens When We Sleep?


Sleep isn’t just rest—it’s recalibration. While we sleep:


  • Our brain consolidates learning and motor skills (checks and cockpit procedures!).

  • Stress chemicals like cortisol are metabolised and reset.

  • Cellular repair and hormonal regulation ramp up.

  • Emotional reactivity is dialled down, improving judgement.


Just one poor night of sleep and the impact can be clear. String a few together, and our reaction time, memory, and emotional control start to slide.


In Defence, that’s not just inconvenient—it’s dangerous.


Tactics to Improve Sleep (Even in High-Tempo Environments):


1. Consistent Timing Wins:


Try to anchor wake time, even if bedtime fluctuates. This stabilises our circadian rhythm and improves sleep depth.


2. Control Light Exposure:


Morning sunlight boosts alertness; turning off dim lights and screens one hour before bedtime helps melatonin function effectively.


3. Drop Our Core Temperature:


A warm shower before bed sounds backwards, but it actually cools our body by drawing blood to thesurface. This drop in core temperature helps signal sleep readiness.


4. Mental Downshifting:


Our minds can loop in high-pressure cycles (like preparing for a flight). Try pen-and-paper journaling to offload thoughts and create cognitive closure before sleep.


5. Caffeine Cut-Off:


Everyone’s different, but a good rule: no caffeine after 2 pm. Stimulants block adenosine, the molecule that helps trigger sleepiness.


During my most intense prep week, I kept my sleep sacred. It wasn’t perfect—but it was prioritised. And that gave me an edge: quicker recall, steadier nerves, and better emotional recovery when the feedback stung.


Performance doesn’t happen despite sleep. It happens because of it.



Self-Coaching Check-in: Sleep & Recovery:


  • Did I get enough sleep to feel alert and clear today?

  • What helped—or hurt—my sleep last night?

  • Do I have a wind-down routine, or am I falling into bed still wired?

  • What’s one change I could make tonight to sleep better?

 
 
 

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