sleepless

adjectives

experiencing or accompanied by sleeplessness
"insomniac old people"; "insomniac nights"; "lay sleepless all night"; "twenty watchful, weary, tedious nights"- Shakespeare
insomniac, sleepless, watchful
is derived from
sleeplessness
always watchful
"to an eye like mine, a lidless watcher of the public weal"- Alfred Tennyson
lidless, sleepless