These four nutrients can help improve your sleep as soon as the very first night.

L-Theanine helps your busy mind relax and relieves stress before bed. This unique amino acid promotes a relaxing affect on the mind, improves your sleep efficiency, and may promote a better mental state the next morning.

The right amount of melatonin will re-set your internal sleep clock. One of the most well-studied natural compounds, melatonin helps you sleep more soundly and regulates your sleep pattern.

The “feel good�?nutrient called 5-HTP is good for sleep, too. 5-HTP helps produce serotonin in your body which influences mood and plays a critical part in your sleep.

Magnesium helps you feel calm and keeps your muscles relaxed. Magnesium helps keep your muscles relaxed and plays a role in sleep regulation, possibly through its ability to affect the neurotransmitters associated with feelings of calmness.