Dictionary / Vocabulary / 眠れる
ねむれる
sleeping; asleep; resting; slumbering
うるさくて眠れないんです。
We can't sleep because of the noise.
幾夜も眠れない夜を過ごしたようです。
It seems he spent many a night unable to sleep.
運よく薬が効くとき1時過ぎに寝れるけど、薬を飲まないと4時ぐらいまで眠れない。
If I'm lucky enough for the medicine to work I can get to sleep after 1am but if I don't take it then I can't sleep until about 4am.