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B1 Intermediate English 6:39 1,128 words Educational

How screens actually affect your sleep

Vox · 715,861 views · Added 5 months ago

AI Summary

This Vox video explores how screens and blue light actually affect your sleep, going beyond common myths to explain melatonin, color temperature, screen brightness, and how morning sunlight can offset evening screen use. Learners will pick up science and health vocabulary like 'melatonin,' 'circadian system,' 'color temperature,' and 'lux.' Great for B1 learners who want to understand practical health advice delivered in accessible, conversational English.

Learning Stats

B1

CEFR Level

1,128

Total Words

463

Unique Words

5/10

Difficulty

Vocabulary Diversity 41%

Key Vocabulary (14)

you A1 pronoun

Used to refer to the person or people that the speaker is addressing. It is the second-person pronoun used for both singular and plural subjects and objects.

light A1 adjective

Describes a space that has a lot of natural brightness or many windows. It also refers to colors that are pale or close to white rather than dark.

sleep A1 verb

To rest your body and mind by closing your eyes and becoming unconscious for a period of time. This natural state allows the body to recover and maintain health.

Grammar in This Video

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