More tests may be needed to find the cause of high cortisol levels.

The next morning, the cortisol level in your blood will be measured.

When the situation is resolved, cortisol levels will return to normal.

"This may have something to do with elevated cortisol levels," she says.

To protect itself, the body seems to reset its cortisol levels at a lower point.

Blood tests indicated that my cortisol levels had dropped significantly.

However, the cortisol levels remained high even on the third day, after the infants had stopped crying.

Cortisol levels then fall in late evening, reaching a trough during the middle of the night.

A few studies have found psychopathy to be linked to low cortisol levels.

However, participants with greater cortisol levels showed signs of slower decline.