σιγή ποτ' ἐστὶν αἱρετωτέρα λόγου → sometimes silence is preferable to words (Menander)
sleepless.
1. sleepless, wakeful, of persons, Od., Attic: metaph. sleepless, never-resting, πηδάλια Aesch.; κρῆναι Soph.2. of sleepless nights, Hom.3. ὕπνος ἄϋπνος a sleep that is no sleep, from which one easily awakes, Soph.