Alan Davies

It clocks out as usual, gracefully accepting the memo that it is no longer the boss.

Now, time belongs to whoever controls the watch.

Welcome to Life Without, where I take something away from the sum of life, a constant in our equation, just subtract it with my powers, delete it, done.

No warning, no second chances, just the maths.

Will the result be positive or disastrously negative?

Or will it simply leave us divided?

For BBC Radio 4, this is Life Without with me, Alan Davis, and together we'll find out whether a life without standard time turns out to be the answer we all hope for.

To be the voice of our internal biological clocks is Dr. R.T.

Jaganath, Associate Professor at the University of Oxford's Sleep and Circadian Neuroscience Institute.

And to walk me back through history is Rebecca Struthers, watchmaker, historian and author of Hands of Time, A Watchmaker's History of Time.

When you nudge the clock forward or back, that tiny twist of the dial can mean, yes, energy savings, or, hey, my circadian rhythms are working for me.

Today, we're jumping to the last Sunday of March and staying on summertime for a whole year.

Winter never gets its hour back.

In our little world, it's been one week since the clock changed to summertime.

Rebecca, why is it called Daylight Saving?

I honestly feel like I wouldn't have noticed the clock change because my phone just fixes it for me and doesn't even tell me.

But my body does.

So what is going on in your body?

How do you get your 14-year-old to go to bed?

So just take the curtains and the blinds out of their bedrooms.