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Day 47 · Health & Lifestyle · B1 Level

The Science of Sleep

Daily Reading Practice · Nonfiction passage

⏱ Time target: 4-5 minutes 📖 Reading + Vocabulary ✅ 10 True / False questions
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Reading Passage

Sleep is something every person needs, yetyet (conj)But; even so.≈ Synonym: but🇺🇿UZ: lekin, biroq🇷🇺RU: но, однако many people do not get enoughenough (pron)As much as is needed.≈ Synonym: sufficient🇺🇿UZ: yetarli🇷🇺RU: достаточно of it. On averageon averageUsed to describe what is typical or usual in general.≈ Synonym: typically🇺🇿UZ: o'rtacha hisobda🇷🇺RU: в среднем, adults should sleep between seven and nine hours each night, but millions of peoplemillions of peopleA very large number of people, in the tens of millions or more.≈ Synonym: a huge number of people🇺🇿UZ: millionlab odamlar🇷🇺RU: миллионы людей sleep much less. Sleep is not simply a time when the body and brain "switch offswitch offTo stop working or become inactive, like turning off a machine.≈ Synonym: shut down🇺🇿UZ: o'chirilmoq, ishlamay qolmoq🇷🇺RU: отключаться." In fact, while we sleep, many important processesprocess n.A series of actions that lead to a particular result.≈ Synonym: activities🇺🇿UZ: jarayonlar🇷🇺RU: процессы are taking place inside us.

During sleep, the brain moves through different stagesstageA separate period or step in a longer process.≈ Synonym: phases🇺🇿UZ: bosqichlar🇷🇺RU: стадии, including light sleep, deep sleep, and a stage called REM sleepREM sleepA stage of sleep with fast eye movement, when most dreams happen.≈ Synonym: dream sleep stage🇺🇿UZ: REM uyqu bosqichi🇷🇺RU: фаза быстрого сна (REM), when most dreamingdream v.Experiencing images and stories in the mind during sleep.≈ Synonym: having dreams🇺🇿UZ: tush ko'rish🇷🇺RU: сновидение happens. In deep sleep, the body repairs musclesrepair musclesTo fix or restore the body's muscles after damage or use.≈ Synonym: heals muscles🇺🇿UZ: mushaklarni tiklaydi🇷🇺RU: восстанавливает мышцы, strengthensstrengthenTo make something stronger.≈ Synonym: reinforces🇺🇿UZ: kuchaytiradi🇷🇺RU: укрепляет the immune systemimmune systemThe body's natural defense system against illness.≈ Synonym: body's defense system🇺🇿UZ: immun tizimi🇷🇺RU: иммунная система, and releases hormoneshormoneChemicals made by the body that control growth and other functions.≈ Synonym: body chemicals🇺🇿UZ: gormonlar🇷🇺RU: гормоны that help children and teenagers grow. Meanwhilemeanwhile (adv)At the same time.≈ Synonym: at the same time🇺🇿UZ: shu vaqtda, ayni paytda🇷🇺RU: тем временем, the brain uses this quietquiet (adj)Making little or no noise.≈ Synonym: calm🇺🇿UZ: tinch, sokin🇷🇺RU: тихий time to clean out waste productswaste productUnwanted material left over after a process, that the body removes.≈ Synonym: byproducts🇺🇿UZ: chiqindi moddalar🇷🇺RU: продукты жизнедеятельности and organizeorganizeTo arrange things in an orderly, useful way.≈ Synonym: arrange🇺🇿UZ: tartibga solmoq🇷🇺RU: упорядочивать information from the day.

One of the most surprisingsurprisingCausing a feeling of surprise; unexpected.≈ Synonym: unexpected🇺🇿UZ: hayratlanarli🇷🇺RU: удивительный jobs of sleep is helping us learn and remember. When we sleep, the brain takes short-term memoriesshort-term memoryInformation the brain holds for only a short time.≈ Synonym: recent memories🇺🇿UZ: qisqa muddatli xotira🇷🇺RU: кратковременная память from the day and moves them into long-term storagelong-term storageA place or system where information is kept for a long time.≈ Synonym: permanent memory🇺🇿UZ: uzoq muddatli saqlash🇷🇺RU: долговременное хранение. This is why students who sleep well after studying often remember information better than those who stay upstay up (phrasal)To not go to bed.🇺🇿UZ: uxlamay o'tirmoq🇷🇺RU: не ложиться спать all night. Sleep also helps the brain solve problemssolve a problemTo find an answer or solution to a difficult situation.≈ Synonym: find solutions🇺🇿UZ: muammolarni hal qilmoq🇷🇺RU: решать проблемы and think more creativelycreative adv.In a way that involves new and original ideas.≈ Synonym: imaginatively🇺🇿UZ: ijodiy tarzda🇷🇺RU: творчески.

When people do not get enough sleep, the effects can appear quickly. A tired brain finds it harder to concentrateconcentrateTo give all your attention to one thing.≈ Synonym: focus🇺🇿UZ: diqqatni jamlamoq🇷🇺RU: концентрироваться, make decisions, and control emotionscontrol emotionsTo manage or keep feelings like anger and sadness in check.≈ Synonym: manage feelings🇺🇿UZ: hissiyotlarni boshqarmoq🇷🇺RU: контролировать эмоции. Long-term lack of sleeplack of sleepNot having enough sleep.≈ Synonym: sleep deprivation🇺🇿UZ: uyqu yetishmasligi🇷🇺RU: недостаток сна is linkedlink (verb)To connect two things.≈ Synonym: connect🇺🇿UZ: bog'lamoq🇷🇺RU: связывать to a weaker immune system, weight gainweight gainAn increase in a person's body weight.≈ Synonym: gaining weight🇺🇿UZ: vazn ortishi🇷🇺RU: увеличение веса, and a higher riskrisk (noun)The chance that something bad will happen.≈ Synonym: danger🇺🇿UZ: xavf🇷🇺RU: риск of serious health problems such as heart diseaseheart diseaseAn illness that affects the heart and how it works.≈ Synonym: cardiac illness🇺🇿UZ: yurak kasalligi🇷🇺RU: болезнь сердца. Even one bad night of sleep can affect moodmoodThe way a person feels at a particular time.≈ Synonym: emotional state🇺🇿UZ: kayfiyat🇷🇺RU: настроение and reaction timereaction timeHow quickly a person responds to something.≈ Synonym: response speed🇺🇿UZ: reaksiya vaqti🇷🇺RU: время реакции the next day.

Fortunatelyfortunately (adv)Luckily.≈ Synonym: luckily🇺🇿UZ: baxtga, xayriyatki🇷🇺RU: к счастью, simple habitshabitThings a person does regularly, often without thinking.≈ Synonym: routines🇺🇿UZ: odatlar🇷🇺RU: привычки can improve sleep qualitysleep qualityHow good or restful a person's sleep is.≈ Synonym: quality of rest🇺🇿UZ: uyqu sifati🇷🇺RU: качество сна. Going to bed at the same time every night, avoiding screensavoid screensStaying away from phones, TVs, and other electronic screens.≈ Synonym: staying off screens🇺🇿UZ: ekranlardan uzoq turish🇷🇺RU: избегание экранов before bed, and keeping the bedroombedroomThe room in a house where a person sleeps.≈ Synonym: sleeping room🇺🇿UZ: yotoqxona🇷🇺RU: спальня dark and quiet all help the body prepareprepare (verb)To get ready.≈ Synonym: get ready🇺🇿UZ: tayyorlanmoq🇷🇺RU: готовить(ся) for rest. Understanding the science of sleep shows that it is not wastedwasted (adj)Not used well.🇺🇿UZ: behuda🇷🇺RU: потраченный впустую time — it is one of the most valuablevaluableVery useful or important.≈ Synonym: important🇺🇿UZ: qimmatli, foydali🇷🇺RU: ценный things we do for our health.

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      Check Your Understanding — True / False

      Word List — 40 words

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      Every highlighted word from this story with its meaning in Uzbek 🇺🇿 and Russian 🇷🇺, and an example. Tap 🇬🇧 or 🇺🇸 to hear the word or the sentence in a British or American accent.

      #🇬🇧🇺🇿🇷🇺Example
      1
      yetconjunction
      lekin, biroqно, однакоThe test was hard, yet everyone passed.
      2
      enoughpronoun
      yetarliдостаточноDo you have enough money for the taxi?
      3
      on average
      o'rtacha hisobdaв среднемOn average, I spend two hours a day on my phone.
      4
      millions of people
      millionlab odamlarмиллионы людейMillions of people visit Samarkand every year.
      5
      switch off
      o'chirilmoq, ishlamay qolmoqотключатьсяPlease switch off the lights when you leave.
      6
      process n.
      jarayonlarпроцессыDigestion is a slow process.
      7
      stage
      bosqichlarстадииThe project is still in its early stages.
      8
      REM sleep
      REM uyqu bosqichiфаза быстрого сна (REM)Most vivid dreams happen during REM sleep.
      9
      dream v.
      tush ko'rishсновидениеLast night I dreamed that I could fly.
      10
      repair muscles
      mushaklarni tiklaydiвосстанавливает мышцыProtein helps your body repair muscles after exercise.
      11
      strengthen
      kuchaytiradiукрепляетSwimming strengthens your back.
      12
      immune system
      immun tizimiиммунная системаVitamin C may help your immune system.
      13
      hormone
      gormonlarгормоныStress hormones can keep you awake at night.
      14
      meanwhileadverb
      shu vaqtda, ayni paytdaтем временемI cooked dinner. Meanwhile, my brother cleaned the room.
      15
      quietadjective
      tinch, sokinтихийThe library is a quiet place to study.
      16
      waste product
      chiqindi moddalarпродукты жизнедеятельностиThe kidneys remove waste products from the blood.
      17
      organize
      tartibga solmoqупорядочиватьLet's organize our notes before the exam.
      18
      surprising
      hayratlanarliудивительныйIt's surprising how fast children grow.
      19
      short-term memory
      qisqa muddatli xotiraкратковременная памятьMy short-term memory is terrible — I forget names immediately.
      20
      long-term storage
      uzoq muddatli saqlashдолговременное хранениеOld photos are kept in long-term storage in the museum.
      21
      stay upphrasal verb
      uxlamay o'tirmoqне ложиться спатьWe stayed up late to watch the match.
      22
      solve a problem
      muammolarni hal qilmoqрешать проблемыTalking to friends can help you solve problems.
      23
      creative adv.
      ijodiy tarzdaтворческиShe thinks creatively and always has new ideas.
      24
      concentrate
      diqqatni jamlamoqконцентрироватьсяI can't concentrate when I'm hungry.
      25
      control emotions
      hissiyotlarni boshqarmoqконтролировать эмоцииYoung children find it hard to control emotions.
      26
      lack of sleep
      uyqu yetishmasligiнедостаток снаLack of sleep makes me irritable.
      27
      linkverb
      bog'lamoqсвязыватьSmoking is linked to many diseases.
      28
      weight gain
      vazn ortishiувеличение весаEating late at night can lead to weight gain.
      29
      risknoun
      xavfрискDriving fast increases the risk of an accident.
      30
      heart disease
      yurak kasalligiболезнь сердцаSmoking increases the risk of heart disease.
      31
      mood
      kayfiyatнастроениеSunny weather always puts me in a good mood.
      32
      reaction time
      reaksiya vaqtiвремя реакцииTired drivers have a slower reaction time.
      33
      fortunatelyadverb
      baxtga, xayriyatkiк счастьюFortunately, nobody was hurt.
      34
      habit
      odatlarпривычкиReading before bed is a good habit.
      35
      sleep quality
      uyqu sifatiкачество снаA cool, dark room improves sleep quality.
      36
      avoid screens
      ekranlardan uzoq turishизбегание экрановTry avoiding screens for an hour before bed.
      37
      bedroom
      yotoqxonaспальняMy bedroom is on the second floor.
      38
      prepareverb
      tayyorlanmoqготовить(ся)I need to prepare for my interview.
      39
      wastedadjective
      behudaпотраченный впустуюWaiting in traffic feels like wasted time.
      40
      valuable
      qimmatli, foydaliценныйThank you for your valuable advice.