Translation guide
To wake up after being unconscious, or to become aware again after fainting, anesthesia, or a coma.
He regained consciousness after a few minutes.
After the surgery, the patient regained consciousness.
A slightly more formal or active phrasing, 'to recover consciousness'. Common in news or medical contexts.
She finally regained consciousness.
Means 'to be resuscitated' or 'to come back to life'. Used in medical or dramatic contexts, not for simple fainting.
After CPR, the patient was resuscitated.
To regain full awareness or alertness, often after being groggy, asleep, or distracted.
Literally 'eyes open/awaken'. Used for waking up from sleep, but also metaphorically for becoming aware or alert.
I finally woke up (became alert) after drinking coffee.
Means 'to return to one's senses' or 'to come to one's senses'. Implies regaining rational consciousness, often after being delirious, drunk, or in shock.
Means 'to come to oneself' or 'to regain composure'. Often used when someone snaps out of a daze, daydream, or emotional state.
Use 意識が戻る for medical/unconsciousness contexts. Use 目が覚める for waking from sleep or becoming alert. 正気に戻る is for regaining sanity or rational thought.
After the accident, it took time for him to regain consciousness.
When I woke up in the morning, it was snowing.
He came to his senses after the shock.
She suddenly came to her senses.