https://healthysuppreviews.com/how-long-does-adderall-stay-in-your-system/? Adderall overdoses can result in cardiac arrest, which can be instantly lethal. Furthermore, signs of psychotic illness have been connected to long-term high-dose Adderall use. Thus, it's essential to know how long Adderall stays in your system to avoid overdosing, addiction, or psychotic symptoms. The use of Adderall is often observed under stressful circumstances, such as examinations. Because Adderall keeps the body awake, if the dosage is raised, it might result in insomnia that lasts up to 12 hours or more.