What happened when I tried out 5 different sleep apps over 5 nights

When it comes to many people's priorities, sleep often comes dead last. But sleep deprivation can have lasting effects through your waking life, from the common cold and chronic heart disease.

In fact, a third of Americans get six hours of sleep or less, well below the seven to eight hours recommended by doctors and scientists.

Luckily, there are a huge number of sleep apps that claim they can help you get more shut-eye. But with so many on the market, it's often hard to figure out which works best.

So I put five of them to the test - one a night for five nights in a row.

Here's how well sleep apps worked for me.