寝起き

waking up, just after waking up

sleep, go to bed + 起き wake up, get up
noun Rare #38,308
waking up, just after waking up Often refers to the state or time immediately after waking up.
JA: 寝起きなので、まだ頭がぼんやりしている。
EN: I just woke up, so my head is still foggy.

いつも寝起きいいです

I always wake up easily.

寝起きだからな

Because I just woke up.

— ベイビー・ブローカー (2022)

まず明日からごとに一緒に寝起きする

So, starting tomorrow, each group will sleep and wake up together.

— 七人の侍 (1954)

寝起き悪い人っているよねえ

There are people who are really grumpy when they wake up, huh…

— すずめの戸締まり (2022)