彼は早く寝始めた。

彼は早く寝始めた。

He started to go to bed early.

彼(かれ)は早(はや)く寝始(ねはじ)めた。

Kare wa hayaku nehajimeta.

彼 (かれ)

he; him; his; boyfriend

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

早い (はやい)

fast; quick; hasty; brisk; early (in the day, etc.); premature; (too) soon; not yet; (too) early; easy; simple; quick

寝る (ねる)

to lie down; to go to bed; to lie in bed; to sleep (lying down); to sleep (with someone, i.e. have intercourse); to lie idle

Readings: ヒ、かれ、かの、か.の

Meanings: he, that, the

Readings: ソウ、サッ、はや.い、はや、はや-、はや.まる、はや.める、さ-

Meanings: early, fast

Readings: シン、ね.る、ね.かす、い.ぬ、みたまや、や.める

Meanings: lie down, sleep, rest, bed, remain unsold

Readings: シ、はじ.める、 -はじ.める、はじ.まる

Meanings: commence, begin