It is surprising the difference between the energy that some people give off in the morning and how others at night feel totally active. They are morning or evening subjects and then their differences are explained. Content 1 Owls or larks: a matter of melatonin 2 The key is in melatonin 3 Occupational implications of being morning or evening 4 It is something that is born, you can not modify Owls or larks: a matter of melatonin A person It can be morning or evening, and this only indicates that your rhythm is different.
An island is inhabited by two kinds of people: gentlemen who always tell the truth and the rogues who always lie. The three inhabitants of the island: Adrián, Benjamín and Conrad are talking: Adrián says: - We are all rogues. But Benjamin rectifies him and says: - Exactly one of us is a gentleman.