- Super common habit is keeping your brain awake while you sleep — even when you do it hours before bed New York Post
- Caffeine Disrupts Sleep Brainwaves and Delays Nighttime Recovery Neuroscience News
- Caffeine at night disrupts sleep patterns, preventing the brain from resetting Earth.com
- Caffeine actually rewires your brain while you sleep Boy Genius Report
- Coffee Pushes Sleeping Brains Into Critical State ScienceBlog.com