Izvori:
1 10 top tips for a good night's sleep, https://www.bhf.org.uk/
2 European Insomnia Network (EIN), https://esrs.eu/
3 How to Sleep Better, https://www.sleepfoundation.org/
4 How to Relax Before Bed, https://www.verywellhealth.com/
5 Top 15 Proven Tips to Sleep Better at Night, https://www.healthline.com/
6 The 9 Best Foods and Drinks to Have Before Bed, https://www.healthline.com/
7 10 top tips for a good night's sleep, https://www.bhf.org.uk/
8 How to Sleep Better, https://www.sleepfoundation.org/
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