Certainly all of us find ourselves staring at the clock and wishing for sleep occasionally. However, If you have trouble falling asleep and staying asleep at least 3 nights per week for at least 3 months, and this is causing problems in your day-to-day life (e.g., feeling tired or irritable during the day, nodding off when you need to be awake, or feeling unfocused or distracted because you are tired), it’s time to seek expert help.