

今日はとても眠いです。
眠いから、もう寝るね。
まだ眠いですか。
"ねむい(眠い)" is in the lesson "Adjectives 4" (Level 17), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,379 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.