Mona lives in North Carolina. She takes an overnight flight to California to visit with family for a month; when she arrives she is fatigued, sluggish, and irritable. For the next week or so she has trouble sleeping. Mona is probably suffering from .a. Jet lagb. Parasomniac. External circadiand. Night terrors

Option (a) is the correct answer of this question.

Explanation:

Mona shows' Jet Lag ' condition as she's having trouble sleeping as her internal body clock (circadian rhythm) is already locked to California's time zone instead of its present position and time zone. Therefore, her body can not adapt to the new time zone and experiences the phenomenon of' Jet lag.'

Jet lag can take place when sleep-wake routines are interrupted.A person can feel somnolent, exhausted, nauseous, dizzy and somewhat fatigued. This may be the product of going across time zones or performing shift work.