(ねむ)

ねむい
adjective (i-adjective)
sleepy
1. sleepy, drowsy
Feeling the need or desire to sleep. The state of being tired and wanting to sleep.
とても(ねむ)です
I'm very sleepy.
I'm sleepy because I couldn't sleep well yesterday.
(ねむ)なってきました。
I'm getting sleepy.
~くなる for becoming
I was sleepy since morning and couldn't do my work.
The children were playing until late at night, so today they have very sleepy faces.
(ねむ)そう = looks sleepy

(ねむ)い is an i-adjective describing the state of feeling sleepy or drowsy.

FORMS:

  • Verb: (ねむ)る (to sleep)
  • Noun: (ねむ)り (sleep), (ねむ)さ (sleepiness)
  • Adverb: (ねむ)く ((ねむ)くなる = to become sleepy)

COMMON EXPRESSIONS:

  • (ねむ)くなる: to become sleepy
  • (ねむ)そう: to look sleepy
  • とても(ねむ)い: very sleepy
  • (ねむ)くて仕方(しかた)ない: so sleepy I can't help it
  • (ねむ)()をこする: to rub sleepy eyes

KANJI COMPOUNDS:

  • 睡眠(すいみん): sleep (formal)
  • 睡眠不足(すいみんぶそく): lack of sleep
  • 仮眠(かみん): nap
  • 安眠(あんみん): restful sleep

SIMILAR WORDS:

  • (つか)れた: tired (physical exhaustion)
  • だるい: sluggish, listless
  • (ねむ)たい: sleepy (variant, slightly more casual)

NOTE:
(ねむ)い specifically describes wanting to sleep, while (つか)れた is about physical/mental exhaustion. You can be (つか)れた without being (ねむ)い, and vice versa.