Mobile phone radiation interrupts sleep : “Researchers from the US and Sweden discovered during the study that participants exposed to mobile phone radiation experienced headaches, change of moods, confusion and trouble sleeping.”
Worth thinking about and anything else you have in the bedroom which may be emitting disruptive signals. A lot of people sleep with their mobiles on in their bedroom. So, if you are suffering from any of these symptoms you could try putting the mobile elsewhere. The researchers may well come up with a solution to the problem but that is not likely to be immediate.