continuing forever or indefinitely; "the ageless themes of love and revenge"; "eternal truths"; "life everlasting"; "hell's perpetual fires"; "the unending bliss of heaven"
a natural and periodic state of rest during which consciousness of the world is suspended; "he didn't get enough sleep last night"; "calm as a child in dreamless slumber"
a torpid state resembling deep sleep
a period of time spent sleeping; "he felt better after a little sleep"; "there wasn't time for a nap"
be asleep
be able to accommodate for sleeping; "This tent sleeps six people"
the highest level or degree attainable; the highest stage of development; "his landscapes were deemed the acme of beauty"; "the artist's gifts are at their acme"; "at the height of her career"; "the peak of perfection"; "summer was at its peak"; "...catapulted Einstein to the pinnacle of fame"; "the summit of his ambition"; "so many highest superlatives achieved by man"; "at the top of his profession"
seemingly boundless in amount, number, degree, or especially extent; "unbounded enthusiasm"; "children with boundless energy"; "a limitless supply of money"