Jasmine is experiencing jet lag after a long flight, that is, her body had difficulty adjusting to the time difference so that she felt sleepy when she should be awake and vice versa. which gland and hormone are responsible for jasmine's condition?

The melatonin hormone is responsible for the Jasmine's experiences of the jet lag. Jet lag is a type of the sleeping disorder which is temporary and is caused as a result of travelling in different time zones. The circadian rhythm of the body is disturbed. The body of a person secrets melatonin in the night, thereby inducing sleep, and its amount decreases in the day. This internal clock is disturbed causing jet lag after a long flight.

Hence, the answer is 'melatonin'.