Get outside within an hour of waking
Ten to thirty minutes of daylight is the strongest signal that sets your clock for the day.
A visual guide for runners, cyclists, triathletes and golfers over 40
Sleep deeper. Recover faster. Perform better after 40.
Find your chronotype, follow your 24-hour blueprint and reset your routine in 21 days — with the research behind every step.
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Recovery happens at night. Performance shows up in the morning.
After 40, your sleep and your body clock change. Most training plans ignore it — this guide doesn’t.
- Less deep sleep
- The stage most linked to physical repair declines with age.
- More wake-ups
- Seven hours in bed isn’t seven hours of recovery.
- An earlier clock
- Badly timed training, coffee or alcohol costs you more than it used to.
26%
That’s how far below their own peak “night owl” athletes performed at 7 a.m.
University of Birmingham researchers tested hockey and squash players at six times of day. The best and worst sessions followed their body clocks, not their fitness.
Facer-Childs & Brandstaetter, Current Biology, 2015
From guessing to knowing.
Without a plan for your clock
- You train whenever the calendar allows and hope it feels good.
- Coffee at 4 p.m. “doesn’t affect you” — your sleep score says otherwise.
- An early race start feels like running through fog.
- Your watch shows data you don’t know how to act on.
With The Body Clock Advantage
- You know your chronotype and your best window for hard sessions.
- You have a clear caffeine cut-off, light routine and wind-down.
- You shift your clock toward race morning in the days before.
- You read your sleep data for trends, not single-night scores.
A Hawk’s day
One day, timed to your clock.
The guide maps your ideal day on a 24-hour dial. This is what it looks like for the most common type.
Last coffee, eight hours before bed
Caffeine taken six hours before bed still cut sleep by more than an hour in a clinical study.
Train hard inside your peak window
For a Hawk that’s mid-afternoon to early evening, when strength and power are near their high.
Dim the lights an hour before bed
Bright evening light delays melatonin. Lamps on, screens down, a warm shower.
Lights out at the same time every night
A consistent schedule, seven days a week, is the single strongest habit in the guide.
Larks, Hawks and Owls peak at different times.
A two-minute quiz in the guide tells you which one you are. Tap a type to see its day.
The Lark
Hard training 9:30 AM – 12:30 PM
Wakes easily and fades in the evening. Many athletes drift this way after 40.
The Hawk
Hard training 3:00 – 6:30 PM
The most common type. Adapts well, but its best physical work comes in the afternoon.
The Owl
Hard training 5:30 – 8:30 PM
Builds through the day. Early starts feel brutal — the guide shows how to shift toward race time.
Illustrative curves based on the pattern in Facer-Childs & Brandstaetter (2015). Windows assume the bedtimes in the guide.
Everything that’s included.
One download. Every page is a diagram, a plan or a tool — with the research behind it listed at the end.
The 36-page illustrated guide
A PDF built around diagrams and timelines, readable on phone, tablet or computer.
The Body Clock Quiz + 3 blueprints
Find your type, then follow the 24-hour day mapped for it.
The 21-Day Reset
One small action a day: anchor, align, amplify.
The 5 levers
Light, caffeine and alcohol, temperature, training time and naps.
Race-day and jet-lag protocols
Arrive at a 7 a.m. start, or a destination race, with your clock on your side.
Printable tools
A 21-day sleep and training log and weekly review pages.
Built on research, not opinions.
+9%
Free-throw accuracy after Stanford players extended their sleep for 5–7 weeks.
Mah et al., Sleep, 2011
−0.7 s
Faster 282-foot sprint in the same study: 16.2 to 15.5 seconds.
Mah et al., Sleep, 2011
1 hr+
Sleep lost from caffeine taken six hours before bed — mostly unnoticed.
Drake et al., J. Clinical Sleep Medicine, 2013
Still have questions?
Who is this for?
Amateur athletes over 40 — runners, cyclists, triathletes, golfers, tennis and pickleball players — who want to recover better and get more from their training. You don’t need to be competitive.
What exactly do I get?
A 36-page illustrated PDF: the Body Clock Quiz, three chronotype blueprints, the five levers, the 21-Day Reset, race-day and jet-lag protocols, a guide to reading your watch data, and printable logs. Every source is listed at the end.
How and when do I receive it?
Instantly. Right after checkout you’ll see a download link on the confirmation page and receive the same link by email.
Do I need a sleep tracker or any experience?
No. If you have a tracker, the guide shows you how to read it. Everything works without one, and no prior knowledge is needed.
I already sleep seven hours. Will it help?
Often, yes. The guide is about timing as much as quantity — when you get light, train, drink coffee and wind down relative to your own clock.
What happens after I buy?
Take the quiz, read your blueprint, then start Day 1 of the 21-Day Reset. Most daily actions take a few minutes.
Is there a guarantee? Can I get a refund?
Yes. If the guide isn’t useful to you, email us within 30 days of purchase and we’ll refund you in full.
Is this medical advice?
No. It’s an educational guide based on published research. It also explains the warning signs that mean you should see a doctor.
30-day money-back guarantee
Read it and try the 21-Day Reset. If the guide isn’t useful to you, email us within 30 days of purchase for a full refund. No questions, no hoops.
Start your 21-day reset today.
- The 36-page illustrated guide (PDF)
- The Body Clock Quiz and three chronotype blueprints
- The 21-Day Reset plan
- Race-day and jet-lag protocols
- Printable log and weekly reviews
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Your next 21 days of training can recover better than the last 21.
- Instant PDF download
- 30-day money-back guarantee
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Educational content only — not medical advice. Results vary. Consult your doctor if you have a sleep disorder or medical condition.