The reasons that may make you unable to sleep:

1. Drinking too much coffee or tea, 1 cup is enough, and remembers no later than 1pm.
   
2. Drinking too much water at late of day, may cause frequently wake up during sleep.
   
3. Eating dinner too late, usually dinner is our main family meal, eating later than 7pm and or eating a large portion may cause insomnia.
4.  Eating too much chocolate. Sugar and cocoa can both cause sleep issues. Especially for kids, don’t give them candy or chocolate late in the day.
   
5. Strenuous exercise late at night. Exercising in the morning has better results.
   
6. Being stressed. Try to walking for about 30mins before sleeping, tell yourself it is time to sleep, and relax.
7. Using your cell phone before sleeping, may cause sleep issues.
   

Also right temperature and darkness room can help fall sleep easier too, wish you all a good night’s sleep.