New clients are often surprised by the order of my first conversation. They come ready to talk about training history, injuries, goals. I ask about those things eventually. But the first real question is usually about their sleep, and not just how many hours.
I want to know what time their mind actually quiets down, whether they wake up because of noise or because of thought, whether they feel rested or just stopped. These are not warm-up questions before we get to the "real" coaching. They are the real coaching.
Why Sleep Comes Before the Training Plan
A training program built on top of poor sleep is a program built on a shaky foundation, and I've learned this the slow way, by watching plans fail for reasons that had nothing to do with the plan. Someone follows every instruction and still doesn't improve. Someone gets stronger on paper but reports feeling worse. In almost every case I can trace it back to a nervous system that never got the signal it was safe to rest.
What Sleep Tells Me That Training History Doesn't
Coaching, to me, means understanding a person before I try to change anything about them. Sleep tells me things training history doesn't. It tells me about stress load, about how someone's body handles the transition from activity to stillness, about whether they're carrying tension they haven't named yet. A person's sleep pattern is often a more honest report than the one they'd give me verbally.
You cannot build capacity on top of a nervous system that hasn't been asked how it's doing. That's not a metaphor I use for effect. It's the reason I hold off on prescribing anything until I understand how someone is actually recovering, not just how they're training.
What I Do When Sleep Is Unstable
This also changes the pace of the work. If sleep is unstable, I'm not going to add intensity and hope it sorts itself out. I'll often ask someone to hold steady, sometimes even pull back, while we look at what's disrupting rest. That's a hard sell to someone who came to me wanting a harder program. But pushing volume onto a body that isn't recovering is just borrowing from a future that hasn't been earned yet.
What the Research Says About Sleep and Getting Hurt
Most of the research on sleep and injury comes from young athletes, so I want to be careful. In a survey of 112 school athletes, those who slept under eight hours a night were 1.7 times more likely to have been injured than those who slept eight hours or more.1 A later review pooled seven studies and pointed the same way: teenagers who slept poorly over a long stretch were about 1.6 times as likely to be hurt.2
Two limits matter. These are links, not proof that sleep alone causes injury. And the reviewers said the evidence cannot yet tell us what a single bad night does. Adults are not teenagers either. But it matches what I see when a plan fails. The plan is fine, and recovery is what is missing.
Three Questions to Ask Yourself Tonight
None of this needs a gadget. What time does your mind actually go quiet? When you wake in the night, is it noise or is it a thought? And when you get up, do you feel rested, or just finished? Write the answers down for a week. The pattern is usually clearer on paper than in your head.
One more thing. If you snore loudly, stop breathing in your sleep, or stay exhausted for weeks whatever you change, please talk to a doctor. Some sleep problems are medical, and coaching is not the answer to those.
I've coached people who represented their country and people who've never exercised with intention in their life, and the question is the same for both: how is your sleep, really. Not because sleep is the whole picture, but because it's usually the first honest data point I get. Everything else I build comes after that.
If you would like to look at your sleep and your training together, that is where one-to-one coaching begins.
- Milewski MD, Skaggs DL, Bishop GA, et al. Chronic lack of sleep is associated with increased sports injuries in adolescent athletes. J Pediatr Orthop. 2014;34(2):129-133. doi:10.1097/BPO.0000000000000151 ↩
- Gao B, Dwivedi S, Milewski MD, Cruz AI. Lack of sleep and sports injuries in adolescents: a systematic review and meta-analysis. J Pediatr Orthop. 2019;39(5):e324-e333. doi:10.1097/BPO.0000000000001306 ↩