The onion is a hardy cool-season biennial but usually grown as annual crop. The onion has narrow, hollow leaves and a base which enlarges to form a bulb. Onions are one of the many natural ingredients that can help you sleep better at night if had before bed.

The onion is a hardy cool-season biennial but usually grown as annual crop. The onion has narrow, hollow leaves and a base which enlarges to form a bulb. Onions are one of the many natural ingredients that can help you sleep better at night if had before bed.