Other studies have suggested that the sound of birdsong or the smell of freshly-cut grass can induce relaxation.

It represents the general use of music to reduce stress, depression, or anxiety; induce relaxation or sleep; activate the body; and improve memory or awareness.

If you reach climax, you then release oxytocin, a natural hormone that induces relaxation and sleep.

Conversely, eating carbohydrates boosts serotonin in the brain, which induces relaxation, which makes you want to sleep through your morning meetings.

On the other hand, prostacyclin therapy prolongs survival by inducing relaxation of vascular smooth muscles.