寝ている間は、体の機能は不活発になり、体温は下がる。

Sentence Analyzer

English Translation

While you are asleep, the bodily functions slow down and body temperature falls.

Furigana

寝(ね)ている間(ま)は、体(からだ)の機能(きのう)は不(ふ)活発(かっぱつ)になり、体温(たいおん)は下(さ)がる。

Romanji

Neteiru ma wa, karada no kinō wa fu kappatsu ni nari, taion wa sagaru.

Words

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

間 (ま)

space; room; time; pause

は (は)

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

体 (からだ、しんたい、しんだい、しんてい)

body; torso; trunk; build; physique; constitution; health; corpse; dead body

の (の)

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

機能 (きのう)

function; facility; faculty; feature

不 (ふ)

un-; non-; negative prefix

活発 (かっぱつ)

vigor; vigour; active; lively

に (に)

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

なる (なる)

that is in; who is called; that is called; that is

体温 (たいおん)

temperature; body temperature (human, animal)

下がる (さがる)

to come down; to go down; to fall; to drop; to sink; to get lower; to hang; to dangle; to move back; to step back; to withdraw; to retire; to deteriorate; to fall off; to be downgraded; to get closer to the present day; to go south