Insomniac.

insomniac

adjective
1. experiencing or accompanied by sleeplessness; "insomniac old people"; "insomniac nights"; "lay sleepless all night"; "twenty watchful, weary, tedious nights"- Shakespeare

noun
1. someone who cannot sleep in the night.

患失眠症的（人）
insomniaque
insonne, sofferente d'insonnia*
不眠症の
insomne
불면증 환자; 불면(증)의







I am one of them.