What are the symptoms of i really need to know

People may experience:Mood: mood swings, sadness, elevated mood, anger, anxiety, apathy, apprehension, euphoria, general discontent, guilt, hopelessness, loss of interest, or loss of interest or pleasure in activitiesBehavioral: irritability, risky behavior, disorganized behavior, aggression, agitation, crying, excess desire for sex, hyperactivity, impulsivity, or self-harmCognitive: unwanted thoughts, delusion, lack of concentration, racing thoughts, slowness in activity, or false belief of superiorityPsychological: depression, manic episode, agitated depression, or paranoiaSleep: difficulty falling asleep or excess sleepinessWhole body: fatigue or restlessnessWeight: weight gain or weight lossAlso common: rapid and frenzied speaking

One symptom is that  they can stay up for days.and are tired all the time

It can be peer pressure, also when they’re going through a lot of stuff at home