Hello and welcome to Business Daily from the BBC with me, Manuela Saragossa.

Coming up, in the 24-hour economy, sleep has an image problem.

We laud, you know, the business warrior who's travelled through six different time zones,

sends the last email at 2am and then is back in the office at 6am.

But all that sleep deprivation comes at a price.

Having the ability to recharge your batteries for five, ten minutes

has been proven to be both better for you personally as an individual from a health and wellness perspective,

but also in terms of your productivity.

The business case for sleep here in Business Daily from the BBC.

More than one in three working adults in America

isn't getting enough sleep and sleep deprivation is on the rise.

Those are the findings of an eight-year study

by researchers from Ball State University in America, published this month.

The study also warned that lack of sleep is associated with mild to severe physical and mental health problems and a loss of productivity.

It prompted the team here at Business Daily to revisit a program we did on the subject last year. At the time,

there was a lot of talk on social media about competitive sleep deprivation, as it was called,

with quite a number of high-profile leaders in business and in politics boasting about getting by

on far less than the recommended seven to eight hours a night.

Martha Stewart, Elon Musk and Donald Trump are among them.

Danielle Marshand once counted herself among the sleepless elite too.

These days, she's an executive coach, which means she helps people achieve goals for themselves

or for their company.

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