Many athletes and professional musicians swear by getting some shut-eye during the day, but what’s the best way to ensure you don’t end up feeling groggy?
There are many knock-on effects of working nights or early mornings, and often employers could do more to protect staff. But there are small, simple changes that can make all the difference
Our circadian cycle doesn’t just affect our sleeping and waking, but our motivations, mood, behaviour and alertness. Whether you are a lark or an owl, here’s how to recognise your own rhythm