If you find yourself awake at 3am most nights, you probably aren't the only one. But what could be the cause, and how can you address it? One key culprit may be low blood sugar and according to sleep specialist Michael Breus, Ph.D., the first question he asks patients dealing with this problem is: "When was the last time you ate?" He explains that if your last meal was around 7pm, by 3am, your body has gone for eight hours without fuel. The result? Your blood sugar drops, and your brain sends