Some habits are so ingrained that you may overlook them as a possible contributor to your insomnia. Maybe your daily Starbucks habit affects your sleep more than you realize. Or maybe you’ve never made the connection between your late-night TV viewing or Internet surfing and your sleep difficulties. Keeping a sleep diary is a helpful way to pinpoint habits and behaviors contributing to your insomnia.
All you have to do is jot down daily details about your daytime habits, sleep routine, and insomnia symptoms. For example, you can keep track of when you go to sleep and when you wake up, where you fall asleep, what you eat and drink, and any stressful events that occur during the day