Tired, irritable and craving carbs? Why darker days affect our bodies and brains
When the clocks go back in October, millions of Britons welcome an extra hour in bed. But by the evening, with darkness arriving before many people finish work, that small luxury may seem a distant memory.

<p>When the clocks go back in October, millions of Britons welcome an extra hour in bed. But by the evening, with darkness arriving before many people finish work, that small luxury may seem a distant memory.</p>