California poppy contains chemicals that might cause relaxation and sleepiness.

It has been used to enhance mood, cause relaxation, and euphoria.

It is also used as a sedative to cause relaxation.

This medication causes relaxation to help you fall asleep and stay asleep.

Normal aging causes further relaxation of these muscles and increases the potential for snoring.

It also causes endothelial dependent relaxation of smooth muscle as is found inside the artery walls.

Normal aging causes further relaxation of these muscles.

Researchers aren't sure which chemicals in German chamomile might cause relaxation.

Counting sheep-and soon the monotony of the distraction caused relaxation and dreams.

It is not clear how these might work in the body, but they appear to cause relaxation of veins.