melatonin Definition
a hormone that regulates sleep and wakefulness, synthesized and released by the pineal gland in response to darkness and suppressed by light.
Using melatonin: Examples
Take a moment to familiarize yourself with how "melatonin" can be used in various situations through the following examples!
Example
Melatonin levels rise in the evening, making you feel sleepy.
Example
Taking melatonin supplements can help with jet lag.
Example
Melatonin production is inhibited by exposure to light.
Summary: melatonin in Brief
The term 'melatonin' [mel-uh-toh-nin] refers to a hormone produced by the pineal gland that regulates sleep and wakefulness. It is released in response to darkness and suppressed by light. Examples of its use include taking supplements to help with jet lag and understanding that melatonin levels rise in the evening, making you feel sleepy.
