sleeplessness

sleepless

[sleep-lis]
adjective
1.
without sleep: a sleepless night.
2.
watchful; alert: sleepless devotion to duty.
3.
always active: the sleepless ocean.

Origin:
1375–1425; late Middle English; see sleep, -less

sleeplessly, adverb
sleeplessness, noun
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sleepless (ˈsliːplɪs)
 
adj
1.  without sleep or rest: a sleepless journey
2.  unable to sleep
3.  always watchful or alert
4.  poetic chiefly always active or moving: the sleepless tides
 
'sleeplessly
 
adv
 
'sleeplessness
 
n

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