Among individuals, team discord leads to stress, low job satisfaction, poor productivity, anger, despair, and physical ailments such as insomnia.

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Children exposed to long-term violence are also at risk for psycho-somatic symptoms such as insomnia and nightmares, as well as prone to addiction and aggressive behaviour.

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If you have been feeling down for about a month or are experiencing symptoms such as insomnia or the need for much more sleep and a loss or increase in appetite, you might be suffering from depression and should seek the help of a professional, suggests Grayson.

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Many patients get it at low doses for uses that have not been well studied, such as treating insomnia and agitation in Alzheimer's disease.

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Friends and family of unemployed people should look for warning signs, such as sadness, lack of energy, insomnia and irritability.

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The AAP has advised pediatricians to recommend to their patients not to use these products and energy drinks, since they contain potentially high amounts of stimulants such as DMAA and caffeine, which can elevate the possibility for developing dehydration, palpitations or dangerous arrhythmias, or insomnia.

FORBES: Is DMAA Dangerous To Your Health?