Here is a warning. If you are regularly checking your emails and reading on digital screens before bedtime, remember that it is important for sleep. I enclose three links for your reading pleasure, hopefully not within 1 hour before bedtime.
Link 1 - "Reading On A Screen Before Bed Might Be Killing You" (Huffington Post)
Link 2 - "We’re All Doomed: Using Your Smartphone Before Bed Can Cause Cellphone ‘Hangover’" (Time)
Link 3 - "This is what happens to your brain and body when you check your phone before bed" (Business Insider)