For people suffering from sleep restriction or altered sleep schedule (e.g.
Rare allergic reactions and mild gastrointestinal symptoms (nausea, vomiting, or cramping) have been known to occur; in which case, discontinue use. Warning: Consult a healthcare practitioner prior to use if you have one of the following conditions: asthma, cardiovascular disease, chronic kidney disease, depression, diabetes or hypoglycemia, hormonal disorder, immune system disease, liver disease, migraine, or seizure disorders, or if you are taking one of the following medications: anticoagulant, anticonvulsant, blood pressure medications, immunosuppressive medications, sedative, hypnotic or psychotropic medications, or steroids.g.