Insomnia is the lack of sleep, and insomiac is what the person who is suffering from the condition is called.
Insomnia
Insomnia. A person who suffers from sleeplessness is an insomniac.
insomnia
Aplasia is the medical term meaning absence of development.
Asplenia is the medical term meaning absence of the spleen.
Anhidrosis is the medical term describing the absence of sweating.
Aphakia is the medical term meaning absence of the lens. This is often a result of cataract surgery.
Athelia is the medical term meaning absence of nipples.
Obstructive Sleep Apnea (OSA)
Aplasia is the medical term meaning absence of development.
Athelia means absence of a nipple.
arrhythmia
The medical term for absence of the external ear is "anotia." This condition involves complete absence of the external ear.
Anencephaly.
anhydrous