寝込む, 寝こむ, ねこむ
Conjugated: 寝込んで
Godan verb, Intransitive
1. to fall fast asleep
2. to be confined to one's bed, to be laid up
マイクは病気で寝こんでいるそうだ。
しまう, 仕舞う, 終う, 了う, 蔵う
Conjugated: しまいました
Godan verb, Transitive, Usually in kana
1. to finish, to stop, to end, to put an end to, to bring to a close
2. to close (a business, etc.), to close down, to shut down, to shut up
3. to put away, to put back, to keep, to store
Auxiliary verb, after the -te form of a verb
4. to do completely
5. to do accidentally, to do without meaning to, to happen to do
本とノートをしまいなさい。