作者：乱世鸟
在前方的进化时代，直到全意识生物体被带进物质层，许多物种可能选择更长的睡眠时间。
In The Times of evolution ahead and until full conscious biology is brought into physicality, many species may choose to sleep longer periods.
她出现在一个进化时代的转折点，此时黑猩猩和人在他们各自的进化道路程上刚刚进入直立行走（爬行）阶段。
She lived at the dawn of a new era, when chimps and people began walking (or climbing) along their own evolutionary trails.
部分原因可能是，这样消极的影响在人类机体进化时期并没有显示出来：比如说，肥胖症在原始时代是很罕见的。
Part of the answer is probably that not all the negative consequences would have shown up at the time the mechanism was evolving. Obesity, for example, is rare in a state of nature.
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