insomniac   (Sound)

The insomniac has 2 Senses.

• insomniac, sleepless person
• someone who cannot sleep
• 眠ることのできない人

• insomniac, sleepless, watchful
• experiencing or accompanied by sleeplessness; "insomniac old people"; "insomniac nights"; "lay sleepless all night"; "twenty watchful, weary, tedious nights"- Shakespeare
• 不眠を経験するまたは不眠を伴う