limbic system A group of subcortical structures (such as the hypothalamus, the hippocampus, and the amygdala) of the brain that are concerned especially with emotion and motivation.

melancholia A mental condition characterized by extreme depression, bodily complaints, and often hallucinations and delusions.

neurotransmitter A substance (as norepinephrine or acetylcho-line) that transmits nerve impulses across a synapse.

proband An individual being studied in a genetic investigation.

Sleeping Sanctuary

Sleeping Sanctuary

Salvation For The Sleep Deprived The Ultimate Guide To Sleeping, Napping, Resting And  Restoring Your Energy. Of the many things that we do just instinctively and do not give much  of a thought to, sleep is probably the most prominent one. Most of us sleep only because we have to. We sleep because we cannot stay awake all 24 hours in the day.

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