Insomnia


[in-som-nee-uh] /ɪnˈsɒm ni ə/

noun
1.
inability to obtain sufficient sleep, especially when chronic; difficulty in falling or staying asleep; sleeplessness.
/ɪnˈsɒmnɪə/
noun
1.
chronic inability to fall asleep or to enjoy uninterrupted sleep related adjective agrypnotic
n.

1620s, insomnie, from Latin insomnia “want of sleep,” from insomnis “sleepless,” from in- “not” (see in- (1)) + somnus “sleep” (see Somnus). The modern form is from 1758.

insomnia in·som·ni·a (ĭn-sŏm’nē-ə)
n.
Chronic inability to fall asleep or remain asleep for an adequate length of time.
insomnia
(ĭn-sŏm’nē-ə)
Chronic inability to fall asleep or remain asleep for an adequate length of time.
insomnia [(in-som-nee-uh)]

A persistent and prolonged inability to sleep.

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