Do you struggle to get to sleep no matter how tired you are? Or do you wake up in the middle of the night and lie awake for hours, anxiously watching the clock? Insomnia is a common problem that takes a toll on your energy, mood, health, and ability to function during the day. Chronic insomnia can even contribute to serious health problems. Simple changes to your lifestyle and daily habits can put a stop to sleepless nights—without relying on medication.