1. I had a wakeful night last Sunday.
    上周日我一夜未眠。

1. 失眠：wake-robin 延龄草 | wakeful 失眠 | wakefully 睡不着地

2. wakeful的反义词

2. 失眠的：waiver 弃权证书 | wakeful 失眠的 | wakeful 觉醒的

3. 觉醒的：wakeful 失眠的 | wakeful 觉醒的 | wakefulness 醒著

4. (夜间)不眠的,睡不着的,(人)醒着的：Repay 回报,偿还 | Wakeful (夜间)不眠的,睡不着的,(人)醒着的 | Most 非常,极,很

1. 难以入睡的;失眠的;睡眠轻的
    Someone who is wakeful finds it difficult to get to sleep and wakes up very often when they should be sleeping.

    e.g. Wakeful babies will often continue to need little sleep as they grow older.
           通常睡眠轻的婴儿长大后仍然只需要较少的睡眠。

1. carefully observant or attentive
    on the lookout for possible danger

    e.g. a policy of open-eyed awareness
           the vigilant eye of the town watch
           there was a watchful dignity in the room
           a watchful parent with a toddler in tow

    Synonym: argus-eyedopen-eyedvigilant

2. marked by full consciousness or alertness

    e.g. worked every moment of my waking hours

    Synonym: waking

3. (of sleep) easily disturbed

    e.g. in a light doze
           a light sleeper
           a restless wakeful night

    Synonym: light