“American-grown pistachios contain high levels of melatonin, with approximately 660 nanograms per gram,” says Palinksy-Wade. ...

“During sleep, we produce melatonin which is very important ... had sleepless nights get swollen eyes, their skin becomes dull, and it can also look pale because of lessened blood flow ...

Due to its short half-life, Gotkin says melatonin is better suited for helping you fall asleep, but not necessarily staying asleep. Therefore, people who have trouble staying asleep should look ...