This podcast is brought to you by Onit.

Just this morning, out in the sunshine in front of my garage,

I was doing sets of Romanian deadlifts with an Onit Sandbag.

And the Onit Sandbag is an unconventional take on a sandbag.

It's actually a giant bag with handles on the side and handles on the top.

So you can not only hoist it around as you would any sandbag,

but you can also lift it like you would a traditional barbell,

doing things like overhead presses, deadlifts, etc.

Now, Onit is chock full of a bunch of fitness gear like that,

steel bells, maces, zombie bells, clubs, battle ropes, kettlebells.

You name it.

And you get 10% off of any of that stuff when you go to Onit.com slash Ben Greenfield.

That's Onit.com slash Ben Greenfield.

And soon, you too can be standing half naked in your driveway,

lifting a giant sandbag.

And now, Onit today's show.

In this episode of the Ben Greenfield Fitness Podcast.

When you're having apnea, you're basically closing off your throat unconsciously

and then unconsciously you're trying to breathe against constructive airway

until finally you get a big surge of adrenaline.

So you should see a good chunk of delta sleep or deep sleep.

And typically, if it's an accurate unit,

...