C1340 perkataan3:11Laporan Berita Loghat AmerikaDiterbitkan 11 Jul 2026 · Dikemas kini 11 Jul 2026

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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.

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Frasa dengan label jenis, definisi dwibahasa, nota penggunaan, dan contoh ayat.

fight-or-flight response

technical term

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

Tindak balas lawan-atau-lari

Penjelasan: Ini ialah istilah khusus dalam bidang biologi dan psikologi yang merujuk kepada keadaan fisiologi yang dihasilkan secara automatik oleh badan manusia atau haiwan apabila menghadapi ancaman kecemasan (seperti degupan jantung yang laju, ketegangan otot) untuk memutuskan sama ada untuk 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 biologi

Penjelasan: Merujuk kepada proses perubahan fisiologi dalam badan yang berlaku dalam kitaran kira-kira 24 jam, yang paling biasa ialah jam biologi yang mengawal tidur dan jaga 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.

Kekurangan tidur, tidak cukup tidur

Penjelasan: Ini ialah kolokasi perubatan dan kehidupan yang sangat lazim, digunakan untuk menerangkan keadaan kekurangan tidur yang mencukupi dalam jangka masa 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 kepada rasa mengantuk, akhirnya tertidur

Penjelasan: Ini ialah ungkapan kiasan yang bersifat sastera. "Tidur" diumpamakan sebagai penakluk, manakala individu yang sukar tidur atau letih akhirnya "menyerah kalah" dan tertidur. Sering digunakan dalam penulisan sastera atau naratif yang hidup.

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

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Why evolution doesn't want you to sleep when you're stressedMengapa Evolusi Tidak Mahu Anda Tidur Ketika Tertekan

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