Denshi Jisho — Online Japanese dictionary

ネル flannel
Noun, Abbreviation 
寝る ねる 1: to lie down;
2: to go to bed; to lie in bed;
3: to sleep (lying down);
4: to sleep (with someone, i.e. have intercourse);
5: to lie idle
Common word, Ichidan verb, Intransitive verb 
練る ねる 1: to knead; to thicken into a paste (stirring over a flame);
2: to polish (a plan, etc.); to refine; to elaborate; to work out;
3: to train; to drill; to exercise;
4: to gloss (silk); to soften; to degum;
5: to tan (leather);
6: to temper (steel);
7: () to walk in procession; to parade; to march
Common word, Godan verb with ru ending, Transitive verb 
ねる 1: to lie down;
2: to go to bed; to lie in bed;
3: to sleep (lying down);
4: to sleep (with someone, i.e. have intercourse);
5: to lie idle
Ichidan verb, Intransitive verb 
煉る ねる 1: to knead; to thicken into a paste (stirring over a flame);
2: to polish (a plan, etc.); to refine; to elaborate; to work out;
3: to train; to drill; to exercise;
4: to tan (leather);
5: to temper (steel);
6: () to walk in procession; to parade; to march
Godan verb with ru ending, Transitive verb 
びご sleep-talking; nonsense
Noun 
ねぼう 1: sleeping in late; oversleeping;
2: (Noun) late riser; sleepyhead
Out-dated kanji, Noun, Suru verb 
ネルソン Nelson
Common word, Noun 
メイロン mei long (dinosaur discovered in China)
Noun, Usually written using kana alone 
寝る時間 ねるじかん bedtime
Noun 
寝る子は育つ ねるこはそだつ Sleep brings up a child well
Expression, Idiomatic expression 
寝る間も惜しんで ねるまもおしんで without sparing time for sleep
Expression, Adverb 
寝る程楽は無かりけり ねるほどらくはなかりけり There is nothing better than sleeping
Expression, Idiomatic expression 

You can also

Look up kanji details for 寐 ねる.

Try a Yahoo Jisho search for 寐 ねる .
Try a Goo Jisho search for 寐 ねる .
Try a Google search for 寐 ねる .