L-theanine and sleep

Melatonin is a hormone that regulates sleep-wake cycles.

Melatonin supplements have been shown to make some people fall asleep more quickly, but they aren’t proven to increase the total time or quality of sleep. 

It may help you fall asleep, but it dramatically reduces the quality of your rest that night. It particularly disrupts your REM (rapid eye movement) stage of sleep, which is important for memory and learning.

You will have slept and may have nodded off more easily, but some of the benefi...

Researchers found that eating more saturated fat and less fibre from foods like vegetables, fruits, and whole grains led to reductions in slow-wave sleep - the deep restorative kind of sleep.

People who consume a high-carbohydrate diet