評(píng)論
打印
In 1965,17-year-old high school student, Randy Gardner stayed awake for 264 hours.
1965年，17歲的高中生蘭迪·加德納264小時(shí)沒(méi)有睡覺(jué)。
That's 11 days to see how he'd cope without sleep.
這是11天，看他會(huì)怎么應(yīng)對(duì)不睡覺(jué)。
On the second day, his eyes stopped focusing.
第二天，他的目光停止對(duì)焦。
Next, he lost the ability to identify objects by touch.
接下來(lái)，他失去了通過(guò)觸摸來(lái)識(shí)別物體的能力。
By day three, Gardner was moody and uncoordinated.
到第三天，加德納喜怒無(wú)常，變得不協(xié)調(diào)。
At the end of the experiment, he was struggling to concentrate,
在實(shí)驗(yàn)結(jié)束時(shí)，他奮力集中，
had trouble with short-term memory, became paranoid, and started hallucinating.
短期記憶出現(xiàn)問(wèn)題，變得偏執(zhí)，并且開(kāi)始出現(xiàn)幻覺(jué)。
Although Gardner recovered without long-term psychological or physical damage,
雖然加德納恢復(fù)了，并沒(méi)有長(zhǎng)期的心理或物理傷害，
for others, losing shuteye can result in hormonal imbalance, illness, and, in extreme cases, death.
對(duì)有些人來(lái)說(shuō)，失去睡眠可能會(huì)導(dǎo)致荷爾蒙失調(diào)、疾病，并且在極端情況下死亡。
We're only beginning to understand why we sleep to begin with, but we do know it's essential.
我們才剛剛開(kāi)始理解為什么我們要睡覺(jué)，但我們知道這是必不可少的。
Adults need seven to eight hours of sleep a night, and adolescents need about ten.
成年人需要一個(gè)晚上七八個(gè)小時(shí)的睡眠，青少年需要大約十個(gè)小時(shí)。
We grow sleepy due to signals from our body telling our brain we are tired,
我們犯困是由于我們的身體信號(hào)告訴我們的大腦我們累了，
and signals from the environment telling us it's dark outside.
環(huán)境就是告訴我們天黑了的信號(hào)。
The rise in sleep-inducing chemicals, like adenosine and melatonin, send us into a light doze that grows deeper,
催眠化學(xué)品的興起，像腺苷和褪黑激素，把我們從打盹變成深眠，
making our breathing and heart rate slow down and our muscles relax.
使我們的呼吸和心臟速率減慢，讓我們的肌肉放松。
This non-REM sleep is when DNA is repaired and our bodies replenish themselves for the day ahead.
此非REM睡眠時(shí)是DNA提前一天修復(fù)我們的身體、補(bǔ)充自己的時(shí)候。
