Or new parents. Or night shift workers. Or…
半醒半睡
han.sei.han.sui
Literally: half – wake – half – asleep
Alternately: Not fully conscious. Half awake and half asleep. Bleary.
Notes: The order of the halves may be reversed in some cases (半睡半醒), or 醒 may be replaced with the more-common 覚 (kaku), which can similarly mean “to wake up.”
I’m awake. No, wait, I’m asleep.
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