wakeful
adjective
unable to sleep; not sleeping; indisposed to sleep.
wakefulness
-
a word derived from
wakeful.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
REM sleep is often described as "paradoxical sleep" because the body is mostly still while brain activity resembles wakefulness.
From Science Daily ● Sep. 26, 2026
The FDA approved the first medication to treat narcolepsy by targeting a brain chemical that regulates wakefulness.
From The Wall Street Journal ● Aug. 7, 2026
The Food and Drug Administration on Wednesday approved Takeda Pharmaceutical’s 4502 2.96%increase; up pointing triangle Orzeyful, the first medication to treat narcolepsy by targeting a brain chemical that regulates wakefulness.
From The Wall Street Journal ● Aug. 6, 2026
It links the brain to the spinal cord and controls breathing, heartbeat, sleep, wakefulness and movement.
From BBC ● Jul. 13, 2026
We walked down the moonlit trail toward a dark and misty shore, a surreal place, a place somewhere between sleep and wakefulness.
From "Summer of the Mariposas" by Guadalupe García McCall
