In addition, melatonin supplements can interact with various medications, including: 1  Blood-thinning medications (anticoagulants) 2  Medications that suppress the immune system (immunosuppressants) 3  Diabetes medications.  Birth control pills.
Extroverts are energised by people. Introverts are drained by people. But that would be too much of a generalisation. In fact, introverts aren't drained by people. They're just drained by having to deal with many people. Introverts are fine if they have to deal with a few people (and the fewer the better).
Extraversion tends to be manifested in outgoing, talkative, energetic behavior, whereas introversion is manifested in more reserved and solitary behavior. Virtually all comprehensive models of personality include these concepts in various forms.