起おきがけ

noun

first thing after waking up; upon rising

Refers to the time or action immediately after getting out of bed. Often used adverbially with に.

• 起おきがけにコップ一いっ杯ぱいの水みずを飲のむようにしている。

  I make it a habit to drink a glass of water first thing after waking up.

• 起おきがけのストレッチは体からだにいい。

  Stretching right after getting up is good for the body.