Directions: start 1/2 hour to 1 hour before bedtime and especially and importantly it off when going to bed Otherwise, you lie in a powerful electromagnetic field. Check online the effects of electromagnetic fields. Ladies pregnant women be careful. This precaution taken, everything is beneficial because the heated mattress pad good and you can sit comfortably for a little reading before bedtime. The negatives are: - Length too stingy resistors (1.50 m). I measure 1.80 m, so 10 or 20 cm longer have much appreciated. It's annoying radinisme. - Kept on the mattress because nothing is expected. It is simply placed on it.
