Here's what I did:

- Make your bedroom dark, quiet and cool

- Get a memory foam pillow

- Install blue-light filter on your phone, laptop or desktop (Twilight on Android, f.lux on Mac & Windows)

- Have your Vitamin D levels checked, take supplements if necessary

- Take 0.3 mg of Melatonin if you're having trouble sleeping

- Read Say Good Night to Insomnia [0]

[0] https://www.amazon.com/Say-Good-Night-Insomnia-Drug-Free/dp/...