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See the full details firstSleep, training and recovery.
Plain-English guides to sleep, HRV, heart rate and training, with the sources listed at the end of each one.
Winter sleep and mood: how light affects you and what really helps
How shorter days affect your body clock, sleep and mood, why Blue Monday is a marketing invention, and which winter habits and treatments have real evidence behind them.
Consistent sleep schedule: why a fixed wake time beats a lie-in
Sleep regularity can matter as much as sleep length. What the research shows, why big weekend lie-ins make Monday harder, and a step-by-step plan built around a fixed wake time.
Why Do I Wake Up at 3am? Causes, Fixes and When to Worry
Why so many people wake at 3am, 4am or 5am, the common causes and how to spot yours, what to do when you cannot get back to sleep, how to stop it over the next few weeks, and wh...
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Read your HRV like a pro athlete.
Get The Peak Readiness Guide free: six pages on building your baseline, the 60-second morning read and the four decisions it leads to. After that, one email a week on sleep, recovery and training.
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