Do we need vegan-friendly fivers? Catch up on our live look at the week

From a Richmond by-election to Trump and more, join us below the line to discuss the week’s news and comment articles with us in real-time

Hit snooze! How a better night’s sleep could save the UK £40bn

A new report says sleep deprivation costs British businesses dearly. So what tricks – from nap rooms to healthy canteen menus – can combat tiredness and boost productivity?

Lark or owl, working nine-to-five will make you tired

Our natural circadian rhythms don’t gel with the typical working day – with flexible options, it’s time to rethink

Lack of sleep is making our children obese – but help is at hand

Increased calorie intake is just the start of it: insufficient sleep can also contribute to behavioural and learning problems. A few simple steps can make a difference

Want a good night’s sleep? Spend less time with your phone, say scientists

New study adds to growing body of evidence linking increased screen time to fewer hours of repose and poorer quality of sleep

Why don’t babies sleep at night? You asked Google – here’s the answer

Every day millions of internet users ask Google life’s most difficult questions, big and small. Our writers answer some of the commonest queries

Struggling to sleep? Five tips for insomniacs

On World Mental Health Day, our panel of experts discuss techniques that can help poor sleepers catch some extra Zzzs and be productive at work

How sleep became the new must-have

Somehow mattresses and pillows have become exciting

Stumped for ideas? Lucid dreaming lets you work while you sleep

Awareness that you are in a dream and can control its outcome is an elusive experience, but it can be the perfect environment for creativity

Can’t put the baby to bed? Hire a sleep consultant

Exhausted parents are increasingly turning to private consultants to help them sleep-train their babies. Is it really worth paying up to £400 a night for?