According to a recent study by the National Sleep Foundation, 45 percent of Americans are affected by poor or insufficient sleep.

BCC Research analyst Natana Raj told NBCnews.com that Americans shelled out more than $43 billion on sleep aids and sleep tech in 2016, and that number is on the rise.

“People didn’t realize how little they were sleeping, and it wasn’t until it was in front of them and aggregated that they realized,” sleep technology expert Laura Pugliese told STATnews.com.

Any conversation about sleep should begin with the foundation of a good night’s rest: your mattress.

A high HRV is generally correlated to a healthy diet and sufficient sleep, whereas a low HRV tends to indicate a lower fitness level and higher amounts of stress.

Let’s also not forget about Sleep Number beds.

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