How to Feel Energized & Sleep Better With One Morning Activity | Dr. Andrew Huberman
Summary
TLDREl guion habla sobre la importancia de la exposición al sol matutino para mejorar la alerta y el enfoque durante el día y la calidad del sueño por la noche. Se aconseja salir al exterior en los primeros minutos de despertar, ya sea bajo sol o nublado, para recibir luz natural. Se enfatiza que las lentes correctivas pueden ayudar, pero evitar lentes de sol y no mirar directamente al sol. La duración de la exposición varía según el clima, siendo de 5 minutos en días claros, 10 en días nublados y hasta 30 en días densamente nublados o lluviosos. Se sugiere que la luz artificial no reemplaza la luz solar y que la exposición a la luz debe ser directa, no a través de ventanas o parabrisas.
Takeaways
- 🌞 La exposición al sol temprano en la mañana es esencial para activar la cortisol y mejorar la alerta y enfoque durante el día.
- 🌅 Es preferible salir afuera y ver el sol que mirar la pantalla del teléfono por la mañana.
- ☁️ En días nublados, es especialmente importante salir afuera para obtener luz y energía lumínica, incluso si no se puede ver el sol.
- 🌄 No es necesario mirar directamente al sol, simplemente en su dirección, y parpadear cuando se sienta la necesidad.
- 🕶️ No usar gafas de sol para la exposición al sol matutina, pero sí corregirse la visión si es necesario.
- 👓 Las gafas o lentes correctivas pueden ayudar a enfocar la luz y activar las células fotosensibles en la retina.
- 📚 La visión de luz temprana en la mañana está respaldada por cientos de estudios científicos y es fundamental para el sueño y la vigilia.
- 🏡 Si se despierta antes del amanecer, se pueden encender luces artificiales, pero una vez que salga el sol, es mejor salir afuera.
- 💡 Las luces artificiales no pueden reemplazar el sol temprano en la mañana, pero pueden perturbar el sueño si se ven tarde en la noche.
- 🕒 La duración de la exposición al sol varía según el clima, pero generalmente se recomienda entre 5 y 30 minutos temprano en la mañana.
- 🚗 Evitar obtener la luz del sol a través de ventanillas de automóviles o ventanas, ya que no es tan efectiva para activar los mecanismos circadianos.
Q & A
¿Por qué es importante ver la luz del sol temprano en la mañana?
-Ver la luz del sol temprano en la mañana es crucial para activar la cortisol y mejorar la alerta y enfoque durante el día, así como para optimizar el sueño por la noche.
¿Cuándo es el momento adecuado para salir al exterior y ver la luz del sol?
-El momento adecuado es durante los primeros cinco minutos o quizás 15 minutos después de despertarse, pero definitivamente dentro de la primera hora.
¿Qué sucede si no se puede ver el sol directamente debido a la nubosidad?
-Incluso en días nublados, se debe salir y obtener la luz solar porque esos días en particular, el ojo necesita capturar más luz o fotón.
¿Cómo se debe mirar el sol si está demasiado brillante?
-Se debe mirar hacia el sol pero no directamente a él. Es normal parpadear cuando se sienta el impulso de hacerlo y nunca mirar a una luz intensa que cause dolor en los ojos.
¿Es recomendable usar lentes de sol durante la exposición al sol por la mañana?
-No, no se recomienda usar lentes de sol para la exposición al sol por la mañana, pero sí se pueden usar lentes o lentillas correctivas con protección UV.
¿Qué tan fuerte debe ser la luz solar para ser efectiva?
-La luz solar debe ser intensa pero no dolorosa. Se debe evitar mirar a luces que causen dolor en los ojos para no dañarlos.
¿Qué sucede si uno se despierta antes de que salga el sol?
-Si se despierta antes del amanecer, se puede encender luces artificiales en el hogar, pero una vez que salga el sol, es mejor salir y ver la luz solar.
¿Cuánto tiempo se necesita para la exposición a la luz solar en días claros y nublados?
-En días claros, aproximadamente 5 minutos, en días con nubosidad parcial 10 minutos y en días muy nublados o lluviosos hasta 20 o 30 minutos.
¿Es posible obtener la exposición necesaria al sol detrás de un parabrisas de coche o una ventana?
-No, no se debe intentar obtener la exposición al sol detrás de un parabrisas o una ventana, ya que no activarán los mecanismos necesarios.
¿Qué pasa si el tiempo está mal o no se puede salir afuera por razones de seguridad?
-Si el tiempo está muy malo o hay razones de seguridad para no salir, se puede intentar estar cerca de una ventana como último recurso, pero lo ideal es salir afuera para obtener la exposición al sol.
¿Cuál es la base científica para la práctica de ver la luz solar por la mañana?
-Esta práctica tiene fundamento en la fisiología humana y está respaldada por cientos, si no miles, de artículos científicos que demuestran su impacto positivo en la vigilia durante el día y la capacidad de dormir bien por la noche.
Outlines
🌞 Importancia de la luz solar por la mañana
El texto explica la importancia de exponerse a la luz solar por la mañana para mejorar la alerta y el enfoque durante el día, así como para optimizar el sueño nocturno. Se sugiere salir al exterior y mirar hacia el sol, pero sin mirarlo directamente si es demasiado brillante, y se aconseja no usar gafas de sol para esta actividad. También se menciona que incluso en días nublados, es beneficioso estar al aire libre para recibir luz. Se enfatiza que la exposición a la luz artificial no puede reemplazar los efectos positivos de la luz solar por la mañana, pero puede interferir con el sueño si se está expuesto a ella tarde en la noche.
🌥 Consejos para la exposición a la luz solar
Este párrafo proporciona directrices sobre cuánto tiempo se debe exponer a la luz solar en diferentes condiciones climáticas. En días claros, se sugiere aproximadamente cinco minutos de exposición, diez minutos en días con nubes dispersas y hasta veinte o treinta minutos en días nublados densos o lluviosos. Se destaca que la exposición a través de un parabrisas o una ventana no es efectiva y que, si no se puede salir, se debe acercar a una ventana como último recurso.
Mindmap
Keywords
💡cortisol
💡alerta y enfoque
💡sueño nocturno
💡suelo solar
💡ángulo solar
💡luces artificiales
💡mecanismos de despertar
💡reloj biológico
💡cirro
💡lentes correctivos
💡protección UV
Highlights
Morning sunlight exposure is essential for alertness and sleep quality.
Phone screens are not bright enough to trigger the necessary cortisol spike.
Optimal time for sunlight exposure is within the first hour after waking.
Cloudy days are beneficial for light exposure due to increased photons.
Avoid staring directly at the sun, but look towards it for optimal exposure.
Blinking is encouraged during sunlight exposure to protect the eyes.
Morning sunlight viewing should be done without sunglasses.
Corrective lenses can enhance the effects of sunlight exposure.
UV protection in eyeglasses is acceptable and does not hinder the benefits.
Hundreds of studies support the impact of morning light on wakefulness and sleep.
Artificial lights cannot replace sunlight for morning wakefulness.
Artificial lights at night can disrupt sleep patterns.
On clear days, aim for about five minutes of sunlight exposure.
On cloudy days, increase sunlight exposure to about ten minutes.
On overcast or rainy days, try to get 20-30 minutes of sunlight exposure.
Sunlight exposure through car windshields or windows is not effective.
If unable to go outside, getting near a window is the last resort.
Transcripts
- I wake up in the morning
and I want to reach for my phone,
but I know that even
if I were to crank up the brightness
on that phone screen,
it's not bright enough
to trigger that cortisol spike,
and for me to be at my most alert
and focused throughout the day
and to optimize my sleep at night.
So what I do is I get out of bed
and I go outside,
and if it's a bright, clear day,
and the sun is low in the sky,
or the sun is starting to get overhead,
what we call low solar angle,
then I know I'm getting outside at the right time.
If there's cloud cover
and I can't see the sun,
I also know I'm doing a good thing
because it turns out especially on cloudy days,
you want to get outside
and get as much light energy
or photons in your eyes.
But let's say it's a very clear day
and I can see where the sun is,
I do not need to stare directly into the sun.
If it's very low in the sky,
I might do that
because it's not going to be
very painful to my eyes.
However, if the sun is a little bit brighter
and a little bit higher in the sky,
sometimes it could be painful to look at.
So the way to get this sunlight viewing
early in the day
is to look toward the sun.
If it's too bright to look at directly,
well then don't do that.
You just look toward it,
but not directly at it.
It's absolutely fine to blink.
In fact, I encourage you to blink
whenever you feel the impulse to blink.
Never look at any light, sunlight or otherwise
that's so bright that it's painful to look at
'cause you can damage your eyes.
But for this morning sunlight viewing,
it's best to not wear sunglasses.
That's right, to not wear sunglasses
at least for this morning sunlight viewing.
It is absolutely fine
to wear eyeglasses or contact lenses,
so-called corrective lenses.
In fact, those will serve you well
in this practice or this tool
because they will focus the light
onto your neural retina and onto those
melanopsin intrinsically photosensitive ganglion cells.
If your eyeglasses or contact lenses
have UV protection, that's okay.
There's so many different wavelengths of light
coming from the sun
and they are bright enough
that they will trigger the mechanisms
that you want triggered
at this early time of day.
So try and get outside,
ideally within the first five minutes
of waking or maybe it's 15 minutes,
but certainly within the first hour after waking.
I want to share with you three critical things
about this tool of morning sunlight viewing.
First of all, this is not some woo biology thing.
This is grounded in the core of our physiology.
There are literally hundreds,
if not thousands of quality peer reviewed papers
showing that light viewing early in the day
is the most powerful stimulus
for wakefulness throughout the day
and it has a powerful, positive impact
on your ability to fall
and stay asleep at night.
So this is really the foundational power tool
for ensuring a great night's sleep
and for feeling more awake during the day.
Second of all, if you wake up
before the sun is out,
you can and probably should flip on artificial lights
in your internal home environment
or apartment or wherever you happen to live,
if your goal is to be awake, right?
If you wake up at four
in the morning and you need to be awake,
well then turn on artificial lights.
Once the sun is out however,
once the sun has risen,
then you still want to get
outside and view sunlight.
Some of you will wake up
before the sun comes out.
And if you're asking whether or not
turning on artificial lights
can replace sunlight at those hours,
unfortunately the answer is no.
Unless you have a very special light,
we'll talk about what kind of light,
the bright artificial lights
in your home environment are not,
I repeat, are not going to be sufficiently bright
to turn on the cortisol mechanism
and the other wake up mechanisms
that you need early in the day.
The diabolical twist however
is that those lights in your home or apartment,
or even on your phone
are bright enough to disrupt your sleep
if you look at them too late at night
or in the middle of the night.
So there's this asymmetry in our retinal,
our eye biology and in our brain's biology
whereby early in the day,
right around waking, you need a lot of light,
a lot of photons,
a lot of light energy
and artificial lights generally just won't accomplish
what you need them to accomplish.
But at night, even a little bit
of artificial light can really mess up
your so-called circadian, your 24-hour clocks
and all these mechanisms that we're talking about.
So if you wake up before the sun is out
and it's still dark,
please turn on as many bright artificial lights
as you possibly can or need,
but then get outside
once the sun is out.
On cloudy days, you especially need to get outside.
I repeat, on cloudy days, overcast days,
you especially need to get outside and get sunlight.
You just need to get more of it.
Now, how much light
and how much light viewing do you need?
This is going to vary depending
on person and place,
literally where you live on earth,
whether or not there's a lot of tree cover,
whether or not you're somebody
who has sensitive eyes
or less sensitive eyes.
It's really impossible for me to give
an absolute prescriptive,
but we can give some general guidelines.
In general, on a clear day,
meaning no cloud cover or minimal cloud cover,
you want to get this sunlight exposure
to your eyes for about five minutes or so,
could be three minutes one day,
it could be seven minutes the next day,
about five minutes.
On a day where there's cloud cover,
so the sun is just peeking through the clouds
or it's more dense cloud cover,
you want to get about 10 minutes
of sunlight exposure to your eyes early in the day.
And on days that are really densely overcast
or maybe even are rainy,
you're going to want to get as much
as 20 or 30 minutes of sunlight exposure.
Another key thing is,
do not forget about just don't try
and get this sunlight exposure
through a windshield of a car or a window,
whether or not it's tinted or otherwise.
It takes far too long.
It's simply not going to trigger
the relevant mechanisms,
you would be standing there all day
trying to get enough light
into your eyes from the morning sunlight.
And by then, the sun will have already moved
from low solar angle to overhead
and it simply won't work for all sorts
of mechanisms related to
your circadian rhythm functions.
So just don't try and do it
through a windshield, sunglasses or a window.
It's just not going to work.
Get outside.
If the weather is really bad
or for whatever reason, safety reasons,
you cannot get outside,
well then I suppose, try and get near a window.
That would be the last, last resort,
but you really want to get outside
to get the sunlight exposure.
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