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wakeful
adjective
[ ˈweɪkfʊl ]
• (of a person) unable or not needing to sleep.
• "he had been wakeful all night"
Similar:
unsleeping
,
awake
,
restless
,
restive
, tossing and turning, without sleep, wide awake,
insomniac
,
watchful
,
Opposite:
sleeping
,
asleep
,