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How caffeine and alcohol affect your sleep | Sleeping with Science, a TED series

772,981 views

TED

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

98%
  • 4:52 / 4:55

Speech Rate:

  • 152 wpm - Fast

Category:

  • Nonprofits & Activism

Tags :

Intro:

Video Vocabulary

percent

/pərˈsent/

adverb noun

One one-hundredth of a whole; the symbol %. one part in every hundred.

psychoactive

/ˌsīkōˈaktiv/

adjective

(chiefly of drug) affecting mind.

impacts
noun other verb

action of one object striking another. Very strong influences. To affect someone or something greatly.

caffeine

/kaˈfēn/

noun

alkaloid compound which is found in tea and coffee plants.

everyone

/ˈevrēˌwən/

pronoun

Every person; everybody.

surprising

/sərˈprīziNG/

adjective verb

Making you feel a bit shocked because unexpected. To do something that another person didn't expect.

perhaps

/pərˈ(h)aps/

adverb

used to express uncertainty or possibility.

alcoholic

/ˌalkəˈhôlik/

adjective noun

Containing alcohol; that can make you drunk. Person who drinks too much alcohol.

duration

/d(y)o͝orˈāSH(ə)n/

noun

Length of time that something lasts.

alcohol

/ˈalkəˌhôl/

noun

A colorless liquid that can catch fire (C2H5OH).

average

/ˈav(ə)rij/

adjective noun verb

Typical or normal; usual; ordinary. Total of numbers divided by the number of items. To add numbers then divide by the number of items.

features

/ˈfēCHər/

noun other verb

distinctive attribute or aspect. Special reports in a magazine or paper. have as prominent attribute or aspect.

circulating

/ˈsərkyəˌlāt/

verb

To go round continuously.

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