How to boost your business? Let workers sleep

My research shows that everything from profits to creativity is improved when employees are well rested, says Matthew Walker, author of Why We Sleep

Female-dominated Wellcome book prize shortlist spans Victorian surgery and modern Nigeria

Titles vying for £30,000 award for books on health and medicine include Ayọ̀bámi Adébáyọ̀’s novel Stay With Me and Sigrid Rausing’s memoir Mayhem

Scotland’s beauty is too much for those who can’t resist the urge to concrete it over

We live in one of the happiest places on Earth, which is why it must be protected

Finland is the happiest country in the world, says UN report

Nordic nations take top four places in happiness rankings, with annual study also charting the decline of the US

Stop chucking Twizzlers at Jamie Oliver – he’s still a class act

The campaigning chef was accused of patronising poor families but healthy eating is an urgent issue

Overall UK happiness levels given English boost, ONS says

Latest Office for National Statistics survey reveals small increases in life satisfaction and happiness

Obesity is a greater threat for millennials than cannabis. It’s absurd

Millennials look set to be the fattest generation of Britons ever, yet the government continues to dodge the issue, writes Simon Jenkins, a Guardian columnist

UK’s small abattoirs struggle as profit margins are squeezed

Demand for locally sourced meat may be high but suppliers face uncertain regulatory and economic environment

Britons told to get a good night’s sleep

Long-hours culture behind epidemic of sleeplessness damaging workers’ health

Discriminating against pregnant women is not just wrong, it’s foolish

Women are still hit by the motherhood penalty at work, with lower wages and stalled careers. If men did more childcare this would change, says Rowan Davies, head of policy at Mumsnet