Most men in demanding jobs think their focus problem is a willpower issue. It's not.

It's a sleep debt issue that starts long before you sit down at your desk.

Here's what actually happens: You work late, check emails in bed, sleep five or six hours, then start the next day in alarm mode. By 2 p.m., coffee stops working. By 4 p.m., you're re-reading the same paragraph. By evening, your mind won't shut down because it never had a clean edge between work and rest.

The pattern repeats, and every week costs more than the last.

Three things that help immediately:

1. Name the pattern, not the weakness. Say "I'm under-rested," not "I'm off my game." Debt is a number. Weakness is a verdict. One you can fix.

1. Protect the first and last hour of your day. No inbox before the body is awake. No work that creates open mental loops in the last hour before bed. These bookends control your sleep quality more than what happens at 2 a.m.

1. Stop trying to "catch up" on weekends. Long lie-ins wreck Sunday night and make Monday worse. Keep wake time steady — the body likes rhythm more than drama.

I wrote a full guide on this called Night Ledger — a practical system for men who want to stay sharp at work without paying for it with their nights. Real examples from professionals in operations, law, sales, and healthcare. No hacks. No morning routine theatre. Just cleaner bookkeeping on where your energy actually goes.