Here are several things that you could do in this situation:
- Try to spend the next 15-30 minutes doing something relaxing. Such as yoga or even reading a light book.
- Make yourself a beverage with warm temperature, so it could make your body feel more cozy and comfortable.
- Tried to put a dim or no light in your room. Your eyes are designed to be awake and sensitive in the presence of light. Removing it will help you to get in resting mode and help you sleep.