If you are familiar with circadian rhythm and the importance of blue light I hope you read the title of this article and got a good laugh. It's important for your health to laugh, so feel free to thank me in the comments. If you are not familiar with this topic hopefully after reading this I get, at least, a chuckle. The post Are you singing the blues? – Your circadian rhythm may be off beat. appeared first on Haelan 951.