You can’t fall asleep? Don’t worry!
Try to solve this Four Squares puzzle and you will fall asleep! Guaranteed!
The following relatively complicated puzzle can be used for those who can’t fall asleep and who need some intellectual “food” before falling asleep. The name of this puzzle is Four Squares. If you are not fast enough to solve all four questions, please do not get upset: 99% of adult population can’t do it either. So click on Four Squares and have fun!