English word sleepless comes from English -less (Lacking (something); without (something).), English sleep.
Sleepless detailed word origin explanation
|-less || English (eng) ||Lacking (something); without (something). |
|sleep || English (eng) ||(countable, informal) An act or instance of sleeping.. (uncountable) Rheum found in the corner of the eyes after waking, whether real or a figurative objectification of sleep (in the sense of reduced consciousness).. (uncountable) The state of reduced consciousness during which a human or animal rests in a daily rhythm.. A state of plants, usually at night, when their leaflets approach each [...] |
|sleepless || English (eng) ||Characterized by an absence of sleep. |
Words with the same origin as sleepless