Amnesia vs. Insomnia

Amnesia and Insomnia Definitions
Amnesia
Loss of memory, usually resulting from shock, psychological disturbance, brain injury, or illness.
Insomnia
Chronic inability to fall asleep or remain asleep for an adequate length of time.
Amnesia
(pathology) Loss of memory; forgetfulness.
Insomnia
(medicine) A sleeping disorder that is known for its symptoms of unrest and the inability to sleep.
My mother suffers from insomnia.
Amnesia
(figurative) Forgetfulness.
A state of cultural amnesia
Insomnia
Lack of sleep; inability to sleep, especially when chronic; wakefulness; sleeplessness.
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Amnesia
A potent sativa-dominant strain of marijuana.
Insomnia
An inability to sleep; chronic sleeplessness
Amnesia
Forgetfulness; also, a defect of speech, from cerebral disease, in which the patient substitutes wrong words or names in the place of those he wishes to employ.
Amnesia
Partial or total loss of memory;
He has a total blackout for events of the evening