Dr. Matthew Walker

Fundamental. Yeah. I mean, and during sleep, we have a metabolic reduction. Part of the... One of perhaps the restorative functions of sleep is to have a metabolic downturn to a degree. But I think the other point is there is... You spoke about all of these different, I'm a multi-system doctor.

Fundamental. Yeah. I mean, and during sleep, we have a metabolic reduction. Part of the... One of perhaps the restorative functions of sleep is to have a metabolic downturn to a degree. But I think the other point is there is... You spoke about all of these different, I'm a multi-system doctor.

And yes, what we find is that all of those different systems, each by themselves, can all independently affect sleep. If you're in inflammation, if you have high blood pressure, if you have abnormal hormonal profiles, if you have poor blood sugar, all of these will disrupt your sleep. So it's feed up to the brain, disrupt sleep, but it also is feed down.

And yes, what we find is that all of those different systems, each by themselves, can all independently affect sleep. If you're in inflammation, if you have high blood pressure, if you have abnormal hormonal profiles, if you have poor blood sugar, all of these will disrupt your sleep. So it's feed up to the brain, disrupt sleep, but it also is feed down.

And yes, what we find is that all of those different systems, each by themselves, can all independently affect sleep. If you're in inflammation, if you have high blood pressure, if you have abnormal hormonal profiles, if you have poor blood sugar, all of these will disrupt your sleep. So it's feed up to the brain, disrupt sleep, but it also is feed down.

And I've often thought, and it works both ways for health and ill health with good sleep versus bad sleep. If you've gone into one of those fancy music studios and there's that mixing deck with all of those little dials on it.

And I've often thought, and it works both ways for health and ill health with good sleep versus bad sleep. If you've gone into one of those fancy music studios and there's that mixing deck with all of those little dials on it.

And I've often thought, and it works both ways for health and ill health with good sleep versus bad sleep. If you've gone into one of those fancy music studios and there's that mixing deck with all of those little dials on it.

Yeah, and I look at it, oh my goodness. And you can move all of the different dials. They're all of the different systems, but you know that there's that one white dial all the way to the far left that if you move that up, all of the other dials go up with it. That to me is sleep. It is the Archimedes lever of health. So that's why when you move sleep up in the right direction,

Yeah, and I look at it, oh my goodness. And you can move all of the different dials. They're all of the different systems, but you know that there's that one white dial all the way to the far left that if you move that up, all of the other dials go up with it. That to me is sleep. It is the Archimedes lever of health. So that's why when you move sleep up in the right direction,

Yeah, and I look at it, oh my goodness. And you can move all of the different dials. They're all of the different systems, but you know that there's that one white dial all the way to the far left that if you move that up, all of the other dials go up with it. That to me is sleep. It is the Archimedes lever of health. So that's why when you move sleep up in the right direction,

you cascade down this whole, it's the single tide that rises all other health boats in my mind. And I think it's not my mind, it's the data.

you cascade down this whole, it's the single tide that rises all other health boats in my mind. And I think it's not my mind, it's the data.

you cascade down this whole, it's the single tide that rises all other health boats in my mind. And I think it's not my mind, it's the data.

Teens who are sleep deprived because of early school start times. Suicide. And the link between a lack of sleep and suicide now, I think that's been one of the things that has just exploded on the scene in the past five years. Certainly, I didn't have anything in the book about that because it was just nascent at the time. Now, that data is so compelling.

Teens who are sleep deprived because of early school start times. Suicide. And the link between a lack of sleep and suicide now, I think that's been one of the things that has just exploded on the scene in the past five years. Certainly, I didn't have anything in the book about that because it was just nascent at the time. Now, that data is so compelling.

Teens who are sleep deprived because of early school start times. Suicide. And the link between a lack of sleep and suicide now, I think that's been one of the things that has just exploded on the scene in the past five years. Certainly, I didn't have anything in the book about that because it was just nascent at the time. Now, that data is so compelling.

Insufficient sleep in teens will predict suicide ideation, meaning thinking about suicide. It will predict suicide attempts, and tragically, it will predict suicide completion. And it's not just sleep. What we're finding is that a lack of sleep will have maybe a twofold increased risk for suicidality in teens, meaning you may be twice as likely based on a cutoff of insufficient sleep.

Insufficient sleep in teens will predict suicide ideation, meaning thinking about suicide. It will predict suicide attempts, and tragically, it will predict suicide completion. And it's not just sleep. What we're finding is that a lack of sleep will have maybe a twofold increased risk for suicidality in teens, meaning you may be twice as likely based on a cutoff of insufficient sleep.

Insufficient sleep in teens will predict suicide ideation, meaning thinking about suicide. It will predict suicide attempts, and tragically, it will predict suicide completion. And it's not just sleep. What we're finding is that a lack of sleep will have maybe a twofold increased risk for suicidality in teens, meaning you may be twice as likely based on a cutoff of insufficient sleep.