Eating 2 biscuits/cookies isn't a problem.

You are just electronic. Give the Ipod to mom before you go yo bed. No television. If you can't sleep, pick up a book and read until you get tired.

Exactly... the point is to reduce stimulation in the hours before bed time... eating too much too late or the wrong things can interfere with a good nights sleep... even for adults. That was a reason for the question.