This may sound stupid to some people but I am a born worrier!! My 16 month old seems to sleep too much, he is sleeping 3 sometimes 4 hours through the day (all in one go!) then goes to bed at 7.30-8pm and doesn't wake until 8-8.30am!! I knwo this may sound like a dream to some but I am worried he has some kind of sleeping disease... can anyone reassure me!!