The wake groups were taught the word pairings at 9 a. m. and then tested on them at 9 p. m. after 12 hours awake.

醒着的组在上午9点教给他们这些词，持续12个小时的清醒状态后，而后在晚上9点对他们进行测试。

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The sleep groups were taught the word pairs at 9 p. m. and tested on them at 9 a. m. after a night of sleep.

睡觉的那些组在晚上9点教他们这些词，在12小时睡眠后，在次日早上9点对他们进行测试。

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EDT, rather than the scheduled 2 p.m. because they were inadvertently sent a day early to Congress and some trade groups, the Fed said.

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People who are trying to maintain separate work and personal lives may even set this to work after they leave the office, only allowing calls from certain groups (like family and close friends) to ring between 6 p.m. and 8 a.m.

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