Translation guide
The habit or act of waking up and getting out of bed early in the morning. In Japanese, this is often expressed with set phrases or verbs rather than a single noun equivalent.
Describing the practice or custom of getting up early, often as a positive trait.
The most common and natural way to express 'early rising' as a noun or suru-verb. It refers to the act of waking up early, often as a habit.
早起きは三文の徳。
Early rising brings a small profit. (proverb)
彼は早起きが苦手だ。
He is not good at early rising.
A more literal, explanatory phrase meaning 'the act of getting up early in the morning'. Useful when you need to be explicit.
朝早く起きることは健康に良い。
Getting up early in the morning is good for your health.
Referring to someone who habitually gets up early (an early riser).
Literally 'a person of early rising'. The standard way to describe an early riser.
私はどちらかと言うと早起きの人です。
I'm more of an early riser.
Literally 'morning-type person'. Often used in contrast to 'night owl' (夜型人間). Slightly more casual and modern.
彼女は完全な朝型人間だ。
She is a total morning person.
Describing a single instance of getting up early, not necessarily a habit.
The verb phrase 'to get up early'. Use this for a specific action rather than a general habit.
明日は早く起きなければならない。
I have to get up early tomorrow.
早起き is a noun/suru-verb that implies a habitual action or the concept of early rising. 朝早く起きる is a verb phrase that describes the specific action of getting up early. Use 早起き when talking about the habit or trait, and 朝早く起きる when describing a particular instance.
早起きは気持ちがいい。
Early rising feels good. (habitual)
今朝は朝早く起きた。
I got up early this morning. (specific instance)