https://www.ecomena.org/green-ahadith/ π
http://aboutislam.net/shariah/hadith/hadith-collections/10-green-hadiths/ π‘
The human brain needs to be without oxygen for only four minutes before permanent damage occurs. π²
https://www.spinalcord.com/blog/what-happens-after-a-lack-of-oxygen-to-the-brain π
https://www.curejoy.com/content/9-plants-give-oxygen-even-night/ π