Britain is exhausted.

Sleep deprivation is on the rise across the UK and it’s costing the country billions.

And as the cost-of-living crisis doesn’t seem to be going anywhere, more and more are struggling to get a good night’s rest.

So, what’s keeping us awake? And why is the government not doing much about it?

ITV News Correspondent Rachel Townsend and Dr Hugh Selsick, who leads an Insomnia Clinic at The Royal London Hospital for Integrated Medicine, tell Tom Bradby What You Need to Know…

To hear more on this, tune in to ITV's Tonight on Thursday 24th August at 20:30pm.

In what’s been America’s deadliest wildfire in over a century, the historic town of Lahaina in Hawaii has been reduced to little more than ash.

And as the search for the dead continues, a search for answers now begins.

With no evacuation warnings in place, survivors say this was not a natural disaster, but in fact a man made one.

So, could this have been an avoidable tragedy?

From Maui, ITV News Correspondent Peter Smith tells Tom Bradby what you need to know...

It was one of the biggest trials of its kind in the UK.

Over the last nine months ITV News reporter Sangita Lal sat across it, less than two metres away from Lucy Letby.

She watched Letby’s reactions as parents re-lived in court the worst moments of their lives.

And the moment Letby broke down and sobbed during her own evidence and tried to leave the court room, right through until the day when the verdict came.

So how did we get here?

In this special edition of What You Need To Know, Sangita Lal takes you Inside the Lucy Letby trial.

Imagine listening to a Taylor Swift song that hasn’t been written or even sung by the star herself.

Well, now, thanks to Artificial Intelligence, this could be happening to all of your favourite artists.

But, as record labels toy with deep fake music, questions over consent have been raised.

So, when does a bit of fun become a real threat? And would you buy deep fake music?

ITV News Entertainment Reporter Rishi Davda tells Lucrezia Millarini What You Need to Know...

From tummy tucks to Brazilian butt lifts, social media sells the dream of surgery and sunshine abroad.

But, for those flying out for cheap cosmetic surgery, instead of a better body, they often come back with a botched job.

And UK hospitals are left to fix what's gone wrong.

So, how much is it costing the NHS? And how can social media influencers be stopped?

ITV News journalist Lucy McDaid tells Rachel Younger what you need to know...

Scientists racing to stop another global pandemic are battling a future threat which has no cure.

The government’s created a new state-of-the-art vaccine facility to combat the so-called Disease X.

So, have they learned the lessons from Covid? And why is climate change now a game changer?

ITV News Health and Science Correspondent Martin Stew tells Tom Bradby what you need to know...

Their rise to the Premier League has already defied football logic.

Now, Luton Town are bidding to upset the odds once more.

So, are they ready to compete with England’s elite? Why are they spending millions on their stadium if they’re about to move?

And how could their success on the pitch transform the town itself?

From ITV Anglia, journalist Andy Ward tells Lucrezia Millarini what you need to know…

Jackie says she’s worth more than just 11 pounds 11 pence an hour.

Yet, her bosses at ASDA think otherwise. The supermarket pays workers in the male dominated depots more than their colleagues on the shop floor who are mainly women.

This is the crux of a huge equal pay case against ASDA.

And now, a leak to ITV News suggests shop floor workers like Jackie, may have just had the boost they need to help their case.

So, will ASDA be left with a hefty bill?

ITV News Deputy Political Editor Anushka Asthana tells Julie Etchingham what you need to know...

The contraceptive pill is feminising fish and crabs are unwittingly swallowing anti-depressants.

And it’s thanks to unbelievable levels of untreated sewage being pumped into supposedly protected habitats, not to mention drugs like cocaine and MDMA.

So, why is it happening? And can the damage be undone?

ITV News Health and Science Correspondent Martin Stew tells Lucrezia Millarini what you need to know...

Have you heard of ULEZ?

Well, if you live in the capital, it's hard to miss.

It’s the Mayor of London’s controversial green policy that’s got the greenlight to clean up the air.

So why are people so riled up about it? Will other cities follow suit? And why has it become a battleground for the next general election?

ITV News Political Correspondent Simon Harris tells Duncan Golestani What You Need to Know…