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Smartphones May Affect Sleep—but Not Because of Blue Light
(www.wired.com)
This is a most excellent place for technology news and articles.
Yes. Android for example has an option to allow starred contacts or certain conversation notifications to always ignore do not disturb, as well as letting any calls through if the same number calls twice during 15 minutes.
I'd love to use that feature, but it just seems so ineffective on my android. Things I whitelist fail to show, and things I blacklist pop up.
The BuzzKill app is amazing for this, imo.