跟读练习: How to trick your brain to fall asleep instantly - 通过YouTube学习英语口语
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Struggling to fall asleep right now?
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Struggling to fall asleep right now?
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Two minutes after trying to fall asleep,
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your best bet is simple relaxation techniques.
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Engage in gentle breathing exercises and a mental body scan where you slowly go over each body part,
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starting with your toes and moving up the body,
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trying to relax them one by one.
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This can activate your parasympathetic nervous system and decrease stress hormones like adrenaline and cortisol,
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all while slowing down your heart rate.
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Now you want to avoid checking the time,
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but after what feels like five to ten minutes of struggling to fall asleep,
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studies show the best way to rest your brain is to distract it,
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but in a very specific way.
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You need to do something neurologically easy enough that it won't keep you awake,
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but hard enough that it will stop you from ruminating.
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This is known as thought blocking,
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and while counting sheep can help,
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it's often too simple for people.
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Some researchers suggest counting down from a thousand by increments of seven,
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or going through the alphabet in order and trying to name a fruit
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or vegetable that starts with each letter of the alphabet.
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20 to 30 minutes in and still struggling,
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it may be time to get up and walk around.
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Some studies show that getting out of bed can lower rumination and stress.
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And the longer you lay awake in bed,
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the more your brain and body start to associate your bed with being awake and anxious,
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which isn't great long term.
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When you get up, it's key that you don't turn any lights on.
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Typical home lighting of 100 to 250 lux is a lot for the eye.
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Studies show that even a hallway bulb can raise overnight heart rate enough to impair sleep.
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So consider low intensity amber lights at night or none at all if you can do it.
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Now that you're out of bed,
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try and find a non-electronic and non-stimulating activity under very low amber light.
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This could be reading a book,
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not on your iPad, listening to relaxing music, or meditating.
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Meditation and mindfulness has been shown to not only improve sleep quality in the moment by helping to regulate stress,
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but it can also play a long-term role in stress management and help with chronic insomnia as well.
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After the 30 to 60 minute mark of a low stimulation activity,
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you can try to go back to bed if you're genuinely tired and repeat the first couple steps.
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But if you're simply feeling bored or frustrated,
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it's better not to force yourself back to bed just yet.
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One to two hours in and you're still struggling,
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you might need to consider your hunger.
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Studies show that if you are too hungry,
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it can impair your ability to fall asleep,
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but it is all about balance.
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You want to stick to a small snack that is easy to digest,
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such as a spoonful of yogurt or a handful of walnuts,
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which are additionally shown to boost melatonin levels.
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The snacks need to be small because eating large meals late at night can raise blood flow to the gut,
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which then causes core body temperature to rise,
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which can counter the natural nighttime cooling that promotes good sleep.
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Also, elevating glucose levels too high at night can neurologically uncouple the connection between your brain and liver and kidney,
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which makes you go to the bathroom more often at night.
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But what if you fell asleep fine,
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got up to go to the bathroom,
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and now you can't fall back asleep?
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Start again at the beginning of this process.
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Passing the two-hour mark and your mind is still running,
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time for a worry dump.
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On a non-electronic device and not in your bed with low amber light,
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write down what is on your mind.
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This act externalizes and processes your concerns,
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allowing your worries to not interfere with your sleep.
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Three hours in, maybe you're feeling physically uncomfortable.
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Focus on your temperature regulation.
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In general, it's best to sleep in a cool room
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because the body naturally drops its core temperature when it's trying to sleep.
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If you can't change the temperature, try wearing socks.
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Researchers found that warming your extremities can actually dilate the blood vessels,
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and as a result, it redistributes heat from your core to your skin.
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It's the same reason a bath before bed can also be helpful.
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Your warm skin radiates heat away from you,
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helping to cool down your core quickly and trigger sleepiness.
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Now, if you've made it to the four-hour mark,
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then it's likely time to consider some daytime problems that may be impacting your sleep.
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So here are the top three most important factors,
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according to science, that will not only help you fall asleep faster,
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but have better quality sleep.
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Number three, or the third most important,
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back to the topic of food,
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how you eat plays a key role in how you're gonna fall asleep,
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but not for the reasons you might think.
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Of course, some studies do find that things like a greater daytime intake of fruits
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and vegetables is associated with having an easier time falling asleep,
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but it is more complicated than that.
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It's important to remember that calorie intake is intrinsically linked to circadian rhythm.
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Circadian rhythm is the timekeeping machinery of your body.
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Human physiology changes throughout the day,
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like your liver at 10 a.m is different than your liver at 10 p.m.
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Your physiological system is primed to do the right things at the right time.
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For example, your body knows when it's time to digest food and when it's time to sleep,
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and these two biological systems are deeply linked.
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Hunger hormones, digestive enzymes, and glucose-regulating insulin have rhythms throughout the day and night,
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so how you eat controls how you sleep.
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Late morning and early afternoons are when your body is most primed to take in calories.
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Eating late at night disrupts circadian rhythm and leaves key parts of the digestion process incomplete.
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Eating late at night can also disrupt your microbiome and lead to insomnia.
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If you are really concerned about sleep,
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it is simple and easy to remember the age-old adage,
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eat like a king in the morning,
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a prince in the afternoon,
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and a peasant at dinner,
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with two studies showing that your last meal should always occur at least three hours before bedtime.
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Number two, or the second most important,
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ensure that you're getting enough blue or natural light hitting your skin in the middle of the day.
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Since humans evolved outside and under the sky,
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midday light provides one of the most powerful signals to your circadian rhythm.
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The midday sun is so rich in blue light,
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and there are actually light-sensitive cells in your eyes that are specific to synchronizing the body clock,
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as opposed to being for vision.
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These cells detect the intensity and wavelength of midday sun,
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and with input from your rods and cones,
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relay the data to the circadian pacemaker in your brain,
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which supports a nightly surge of melatonin,
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the hormone signal that tells your body it's time to sleep.
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Some people think that lights from indoor sources is enough,
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but it's actually not.
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Even on an overcast day,
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the blue rich light from the sun can reach like 10,000 lux.
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Whereas your indoor lighting actually leans more into green wavelengths,
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which serve your vision, but not your circadian rhythm.
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So spending more time outside in the middle of the day with natural light is super helpful.
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And if you can't do that,
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being near a window, working inside but close to the natural light is the next best thing.
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Of course, at night, you'll want to limit the amount of light hitting your eyes.
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So it's best to lower bright lamps and minimize using screens.
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If you do need to use screens,
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it's best to use the apps that turn them onto a warmer spectrum as opposed to blue light.
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And number one, the most important factor for sleep is time consistency.
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You need to be doing your best to fall asleep and wake up at the same time every day.
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Your body relies on rhythms and it builds systems for the rhythms of your body to best adapt to your life.
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It's why if you wake up at 7am for work during the weekdays,
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even if you stay up late on the weekends,
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a lot of people will still wake up around 7am on the weekend.
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Your body has a system that starts waking you up around 7am every day,
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but if you don't have a consistent sleep schedule, your body can't adapt.
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Adenosine builds up in your body while you're awake and then is broken down while you're asleep.
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Going to bed at the same time helps regulate these adenosine levels.
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The optimal sleep time will change based on if you're an early bird or a night owl.
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We have other videos about that,
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but it's important that you try and find a consistent time that works for you.
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In fact, new research has found that an unstable day-to-day sleep schedule alone predicted all-cause mortality better than did total sleep hours.
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So take that in.
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Your sleep consistency or inconsistency is a better predictor of all-cause death than the actual hours
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and amount of sleep you are getting night after night.
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Another study shows
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that people with heart failure who had irregular sleep patterns had
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twice the risk of another medical event such as hospitalization or death compared with regular sleepers.
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Of course, the amount of sleep you're getting matters too,
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but this research really shows the importance of the rhythm and time consistency of your sleep.
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Combining all these tricks is your best bet to getting a great night's sleep.
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Of course, Of course, we all have complicated lives,
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so the occasional late dinner or late night out with friends or not being able to be outside on some days,
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it's not the end of the world,
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but it's just good to know that these practices can help your sleep.
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Not only should these steps help you fall asleep faster,
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but they also might help you not die as early.
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That's a good thing too.
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Thanks so much for watching.
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I hope you're able to get a good night's sleep now,
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and we'll see you ASAP for some more science.
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Peace.
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本课介绍
在本课中，学习者将通过观看关于如何快速入睡的YouTube视频，练习与睡眠相关的英语词汇和短语。视频提供了一些简单而有效的放松技巧，帮助人们处理失眠问题，内容适合希望提高英语发音与理解能力的学习者。通过与音频内容的shadow speak（影子跟读），学习者可以提升自己的口语能力与自信，结合关键词和表达方式，从而使整个练习更具有效性。
关键词和短语
- relaxation techniques - 放松技巧
- breathing exercises - 呼吸练习
- thought blocking - 思绪阻断
- melatonin levels - 褪黑激素水平
- rumination - 反刍思维
- non-stimulating activity - 非刺激性活动
- mindfulness - 正念
- insomnia - 失眠
练习技巧
为了更好地理解并运用视频中的内容，建议在练习shadowing时，首先注意视频的语速和语调。选择慢速播放，便于抓住每个单词的发音。在跟读时，可以尝试模仿发音和语调，使自己更接近母语者的表达方式。此外，重播某些句子进行重复练习，确保能准确掌握这些关键词在语境中的使用。挑战自己在跟读时加入适当的情感与语气，提升运用这些表达的自信和流利度，逐步提高英语发音能力。同时，利用这样的练习方式也可以帮助记忆内容，使自己在睡前放松时不再焦虑。
什么是跟读法？
跟读法 (Shadowing) 是一种有科学依据的语言学习技巧，最初开发用于专业口译员的培训，并由多语言者Alexander Arguelles博士普及。这个方法简单而强大：您在听英语母语原声的同时立即大声重复——就像是一个延迟1-2秒紧跟说话者的影子。与被动听力或语法练习不同，跟读法强迫您的大脑和口腔肌肉同时处理并模仿真实的讲话模式。研究表明它能显着提高发音准确性，语调，节奏，连读，听力理解和口语流利度——使其成为雅思口语备考和真实英语交流最有效的方法之一。