Dr. Matthew Walker

So we developed something called a transcranial direct current stimulation tool, which is a fancy way of saying I put a headband on and I insert a small amount of voltage into your brain. It's so small you typically don't feel it, but it has a measurable benefit to your brainwave activity.

So we developed something called a transcranial direct current stimulation tool, which is a fancy way of saying I put a headband on and I insert a small amount of voltage into your brain. It's so small you typically don't feel it, but it has a measurable benefit to your brainwave activity.

So we developed something called a transcranial direct current stimulation tool, which is a fancy way of saying I put a headband on and I insert a small amount of voltage into your brain. It's so small you typically don't feel it, but it has a measurable benefit to your brainwave activity.

And people had been doing this approach where they measure your sleep in the laboratory and they're starting to look at these deep, slow brainwaves. And then using this electrical stimulation device, they're going to try to act like a choir to a flagging lead vocalist. And by way of measuring it, they can try to predict where the next stroke of midnight is coming on the top of that brainwave.

And people had been doing this approach where they measure your sleep in the laboratory and they're starting to look at these deep, slow brainwaves. And then using this electrical stimulation device, they're going to try to act like a choir to a flagging lead vocalist. And by way of measuring it, they can try to predict where the next stroke of midnight is coming on the top of that brainwave.

And people had been doing this approach where they measure your sleep in the laboratory and they're starting to look at these deep, slow brainwaves. And then using this electrical stimulation device, they're going to try to act like a choir to a flagging lead vocalist. And by way of measuring it, they can try to predict where the next stroke of midnight is coming on the top of that brainwave.

And they hit you with a pulse of electricity and they try to amplify the size of those brainwaves. And they can. And in doing it, they almost double the amount of memory benefit that you get from sleep. The problem is when we go to sleep, we take things off. We don't put things on. So you're expecting me to have a headband device with all of these wires and I'm going to sleep with it.

And they hit you with a pulse of electricity and they try to amplify the size of those brainwaves. And they can. And in doing it, they almost double the amount of memory benefit that you get from sleep. The problem is when we go to sleep, we take things off. We don't put things on. So you're expecting me to have a headband device with all of these wires and I'm going to sleep with it.

And they hit you with a pulse of electricity and they try to amplify the size of those brainwaves. And they can. And in doing it, they almost double the amount of memory benefit that you get from sleep. The problem is when we go to sleep, we take things off. We don't put things on. So you're expecting me to have a headband device with all of these wires and I'm going to sleep with it.

And then there's going to be some crazy computer in your study that's kind of, you know, measuring your brainwave and it's trying to temporally estimate when that's a disaster. It was never going to happen. So what we took the approach of is that when you stimulate the brain and and you stop stimulating like a drug in the system, it still has a blast radius of a benefit.

And then there's going to be some crazy computer in your study that's kind of, you know, measuring your brainwave and it's trying to temporally estimate when that's a disaster. It was never going to happen. So what we took the approach of is that when you stimulate the brain and and you stop stimulating like a drug in the system, it still has a blast radius of a benefit.

And then there's going to be some crazy computer in your study that's kind of, you know, measuring your brainwave and it's trying to temporally estimate when that's a disaster. It was never going to happen. So what we took the approach of is that when you stimulate the brain and and you stop stimulating like a drug in the system, it still has a blast radius of a benefit.

And when we do 10 minutes version of stimulation, it lasts in terms of its effect on the brain for about two hours. And it was that deep sleep that I said comes in the first half of the night and mostly in the first two hours. So I knew I had this window of opportunity to capture, to go after deep sleep.

And when we do 10 minutes version of stimulation, it lasts in terms of its effect on the brain for about two hours. And it was that deep sleep that I said comes in the first half of the night and mostly in the first two hours. So I knew I had this window of opportunity to capture, to go after deep sleep.

And when we do 10 minutes version of stimulation, it lasts in terms of its effect on the brain for about two hours. And it was that deep sleep that I said comes in the first half of the night and mostly in the first two hours. So I knew I had this window of opportunity to capture, to go after deep sleep.

So instead, what we did was we applied this headband and as you're brushing your teeth, when you're taking your makeup off, you're stimulating the head or you're lying in bed for 10 minutes. And then what happens is that you take the headband off and it's almost like, it's a good analogy would be a child on a swing. They're static and they're swinging their feet. Nothing is happening.

So instead, what we did was we applied this headband and as you're brushing your teeth, when you're taking your makeup off, you're stimulating the head or you're lying in bed for 10 minutes. And then what happens is that you take the headband off and it's almost like, it's a good analogy would be a child on a swing. They're static and they're swinging their feet. Nothing is happening.

So instead, what we did was we applied this headband and as you're brushing your teeth, when you're taking your makeup off, you're stimulating the head or you're lying in bed for 10 minutes. And then what happens is that you take the headband off and it's almost like, it's a good analogy would be a child on a swing. They're static and they're swinging their feet. Nothing is happening.

You as the parent, you've got to come along and you've got to start swinging them. But when you give them enough momentum, at some point you stop and they keep swinging. So I was trying to essentially get the brain swinging so that when it went into sleep, it

You as the parent, you've got to come along and you've got to start swinging them. But when you give them enough momentum, at some point you stop and they keep swinging. So I was trying to essentially get the brain swinging so that when it went into sleep, it