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What Is Required for the Formation of a Hydrogen Bond

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What is required for the formation of a hydrogen bond?


Definitions:

Narcolepsy

A sleep disorder characterized by overwhelming daytime drowsiness and sudden attacks of sleep, often caused by a deficiency in the brain chemical orexin.

Cataplexy

State of atonia, as in R-sleep, occurring while a person is awake and active; linked to strong emotional stimulation.

Sleep Apnea

Inability to breathe during sleep, causing a sleeper to wake up to breathe.

REM Without Atonia

A sleep disorder characterized by the lack of muscle paralysis that normally occurs during REM sleep, leading to physical motion and dream enactment.

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