You're doing too much before bed
According to a U.S. National Sleep Foundation poll, during the hour before bed, around 60 per cent of us do household chores, 37 percent take care of children, 36 percent do activities with other family members, 36 per cent are on the Internet, and 21 per cent do work related to their jobs. Working right up until bedtime doesn't give you a chance to wind down and prepare your body for sleep. Take the hour before bed to transition from the person-who-can-do-everything into the person-who-can-sleep. Read a book, take a bath—whatever will make you feel most relaxed.
Read more at http://www.besthealthmag.ca/best-you/sleep/8-reasons-you-cant-sleep-at-night?slide=3#3tAydRdq7jb56HZM.99