Studies and scientific references

Blue light bloking glasses:

https://pubmed.ncbi.nlm.nih.gov/27226262/   https://pubmed.ncbi.nlm.nih.gov/34030534/ https://pubmed.ncbi.nlm.nih.gov/28488943/ 

Weighted blanket:

https://pubmed.ncbi.nlm.nih.gov/32536366/