Following a consistent bedtime routine prepares your body to sleep and helps release your own natural sleep hormone melatonin. (goodnightsleepsite.com)
Wearing orange glasses in the evening a couple of hours before bed will also help increase the production of sleep hormones so you can fall asleep. (functionalhealthnews.com)
Black out curtains / liners: When light, especially sunlight, enters the retina of our eyes, it decreases the production of an important sleep hormone called melatonin. (healthyhappysleep.com)