In the dead of winter, it can be hard to keep your alertness up when it gets darker. Here are a few good habits that will help you stay productive

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It is an all-too-familiar scenario: you reheat a bowl of last night’s noodles for lunch, devour it, then return to your desk and gradually droop over the course of the afternoon, to the point at which you are battling to keep your eyes open. Or perhaps you struggle with energy on waking up; or, after a busy start and strong coffee first thing, you begin to fade mid-morning. Or, like me, after dinner in the winter months, you are completely lethargic.

How common are such peaks and troughs in our energy levels? “If you’re having an active day, then you will naturally get tired because we are human, we’re not machines,” says Dr Linia Patel, a dietitian and nutritionist. “Getting tired at the end of the day, before you go to bed, is perfect. But getting tired at your desk is not great.” Chronic tiredness is something to see a doctor about, says Patel, as it could be a symptom of illness.

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