Why You Can't Out-Train Bad Sleep

Diet and training get the spotlight. Sleep does the work in the dark. Ignore it and the other two stop working.

1. 1. Hunger hormones go haywire

   Less sleep = more ghrelin (hungry) and less leptin (full). You eat more without realising.

2. 2. Muscle recovery slows

   Growth hormone peaks in deep sleep. Skip the sleep, skip the gains.

3. 3. Cortisol stays high

   Chronic poor sleep keeps your stress hormone elevated, which stores fat around your midsection.

4. 4. Insulin sensitivity drops

   One week of 5-hour nights makes you behave metabolically like someone with pre-diabetes.

5. 5. Decision-making collapses

   Tired brain = bad food choices, skipped workouts. Discipline lives in rested brains.

Before you tweak your macros again, fix your bedtime. It's the cheapest performance enhancer on earth.