C1340 kata3:11Laporan Berita Aksen AmerikaDiterbitkan 11 Jul 2026 · Diperbarui 11 Jul 2026

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Pemahaman Kosakata Shadowing Kuis Dikte Misi

It is 2:13 in the morning, and you are utterly exhausted, yet your mind refuses to surrender to sleep.

Your eyes ache, your limbs feel leaden, and the impending alarm looms ominously, but racing thoughts commandeer your consciousness.

This paradoxical alert state, in which physical fatigue coexists with relentless mental activity, has become remarkably prevalent in modern society.

Researchers have emphasized that this phenomenon is not a malfunction but rather an adaptive response shaped by evolution over millennia.

The human stress response originally evolved to confront immediate physical threats such as predators or environmental hazards.

For most of human history, danger was both extreme and short-lived, demanding heightened vigilance rather than restful sleep.

Were a prehistoric human to fall asleep while a predator lurked nearby, the consequences would have been fatal.

The biological mechanism behind stress-induced wakefulness involves a brain region called the amygdala, which initiates the classic fight-or-flight response.

Upon detecting a perceived threat, the amygdala triggers the release of stress hormones, notably adrenaline and cortisol.

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These physiological changes include elevated heart rate, accelerated breathing, and sharpened attention.

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Energy is simultaneously diverted away from long-term maintenance functions, including the circadian processes that normally facilitate sleep.

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Scientists have cautioned that the core problem for contemporary humans lies in a fundamental mismatch between ancient biology and modern stressors.

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Unlike encounters with predators, today's sources of stress—financial pressures, workplace demands, and digital overstimulation—tend to be chronic rather than acute.

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Consequently, the stress response that was designed for brief emergencies now remains perpetually activated, producing sustained sleep deprivation.

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Not only does this undermine cognitive performance, but it also compromises immune function and emotional regulation over time.

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Experts have argued that understanding this evolutionary legacy is essential for developing effective interventions against chronic insomnia.

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Rather than viewing sleeplessness as a personal failing, individuals should recognize it as a deeply ingrained survival mechanism operating in an inappropriate context.

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Should society fail to address the root causes of modern stress, the epidemic of sleep deprivation is likely to intensify, with far-reaching consequences for public health worldwide.

Daftar Frasa (4 frasa)

Frasa dengan label jenis, definisi dwibahasa, catatan penggunaan, dan contoh kalimat.

fight-or-flight response

technical term

A physiological reaction that occurs in response to a perceived harmful event, attack, or threat to survival.

respons melawan-atau-lari

Penjelasan: Ini adalah istilah teknis dalam biologi dan psikologi yang merujuk pada keadaan fisiologis yang dipersiapkan secara otomatis oleh tubuh manusia atau hewan saat menghadapi ancaman darurat (seperti detak jantung meningkat, otot menegang) untuk memutuskan apakah akan melawan atau melarikan diri.

Contoh: When the fire alarm went off, my body immediately went into a fight-or-flight response.

circadian processes

technical term

Biological processes that display an endogenous, entrainable oscillation of about 24 hours (related to the sleep-wake cycle).

proses sirkadian / mekanisme jam biologis

Penjelasan: Merujuk pada proses perubahan fisiologis dalam tubuh yang berlangsung dalam siklus sekitar 24 jam, yang paling umum adalah jam biologis yang mengontrol tidur dan terjaga pada manusia.

Contoh: Jet lag disrupts our circadian processes, making it difficult to sleep at the local time.

sleep deprivation

collocation

The condition of not having enough sleep; can be either chronic or acute.

kurang tidur, kekurangan tidur

Penjelasan: Ini adalah kolokasi medis dan kehidupan sehari-hari yang sangat umum, digunakan untuk menggambarkan keadaan kurang tidur dalam jangka panjang atau pendek, lebih formal dan profesional daripada sekadar 'not sleeping enough'.

Contoh: Sustained sleep deprivation can lead to serious health issues, including high blood pressure.

surrender to sleep

idiom

To finally allow oneself to fall asleep, especially after trying to stay awake or struggling with insomnia.

menyerah pada rasa kantuk, akhirnya tertidur

Penjelasan: Ini adalah ungkapan personifikasi yang bernuansa sastra. Tidur diibaratkan sebagai penakluk, dan orang yang insomnia atau lelah akhirnya "menyerah" dan tertidur. Sering digunakan dalam deskripsi sastra atau narasi yang hidup.

Contoh: After tossing and turning for hours, she finally surrendered to sleep just before dawn.

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