Folks who meet the recommended physical activity guidelines of 150 minutes a week are 65% less likely to feel tuckered out during the day, a 2011 study found.

CNN: How to fix health problems with exercise

By the time I reached cave-walled Cwmtydu Beach, I was tuckered out and retired via bus to New Quay, a town four miles away with plentiful harbourside restaurants, such as Traeth, which serves up regionally-sourced duck.

BBC: Walking the new Wales coastal path