My daughter is 6 and she does the same as your child and that has been since she was 3. She doesnt need to have it on, she can fall asleep without it if she had to. I dont think that there are any bad effects from it. It really depends on your own child I think. She falls asleep around 830 or 9 pm and gets up just fine for school around 630 am. I would not worry about it. Good luck on bed rest..