BIBLIOGRAPHY

Sleep Foundation. How Is Sleep Quality Calculated?. (2021) Recovered from: https://www.sleepfoundation.org/sleep-hygiene/how-is-sleep-quality-calculated  

Verywellmind. Reasons Why You Can't Sleep. (2021) Recovered from: 

https://www.verywellmind.com/reasons-for-not-sleeping-well-and-how-to-fix-350760

Heathline. 8 Home Remedies for Insomnia. (2018) Recovered from: 

https://www.healthline.com/health/healthy-sleep/insomnia-home-remedies

Heathline. 9 Natural Sleep Aids That May Help You Get Some Shut-Eye. (2020) Recovered from: https://www.healthline.com/nutrition/sleep-aids

Heathline. 10 Natural Ways to Sleep Better. (2020) Recovered from: 

https://www.healthline.com/health/natural-sleeping-remedies

MedicalNewsToday. Why Sleep is essential for health. (2019) Recovered from: 
https://www.medicalnewstoday.com/articles/325353