Peter Tierney (@drpetertierney)

One bad night of sleep can often cause alarm bells to ring & create more anxiety around your sleep, energy and health. We need to normalise not creating anxiety associated with only 1 night of bad sleep. These nights happen, and are part of normal changes in sleep day to day. ...

here are different sports on a continuum of sprint-endurance, and strength-speed v2 It’s meant for visual comparison & some sports required development in all areas. But try to see these relative to the other sports on the chart - and that might help with interpretation. ...

Which carb gel should I use during exercise? Well here are many different brands with some key details in the table. I’ve plotted carbs vs weight on the chart. ...

MUSCLE CRAMPS Still some unknowns, but from my current understanding here is how I would approach if you were suffering with cramps during exercise. ...