One in three adults in the UK struggles to sleep through the night; among them is writer Nick Pope. Could embracing the multibillion-pound sleep economy fix his night-time woes or would obsessively attempting to crack bedtime cause another problem altogether?

Stay well during the festive season and beyond with Dr Leigh Erin Connealy’s science-backed tips

Why you’re low on energy – and how to fix it

Feel strong, slim and confident – fast

If there was a time when the sign of a good night’s sleep was getting your seven to nine hours, science has delivered a new set of metrics. From sleep quality to the regularity of your bedtime, we’ve read the research so you don’t have to

Naomi Holbrook, 50, spent most of her life yo-yo dieting until she ditched her usual tipple and made some big changes