Angela Caughey (author of books on Dementia), recommends everyone to get a good nights sleep as a way to increase brain health. In addition to avoiding alcohol and caffeine after 7pm, she also recommends stop using computers, i-pads etc. after dark because of blue light emitted from these devices, interferes with melatonin production. For those of you who are addicted to your screens, Kenneth Winstone provides a solution to help you stay connected while combating computer blue light emissions.
Past President Kenneth Winstone recommends a software application that he has used the past 5 years which helps to avoid disrupting our circadian sleep rhythm from bright/blue light at night time from computers & mobile phones. It's free for personal use & automatic. See www.justgetflux.com/ for explanation & download.