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| Mobiles linked to disturbed sleep | Mobiles linked to disturbed sleep |
| (about 3 hours later) | |
| Using a mobile phone before going to bed could stop you getting a decent night's sleep, research suggests. | Using a mobile phone before going to bed could stop you getting a decent night's sleep, research suggests. |
| The study, funded by mobile phone companies, suggests radiation from the handset can cause insomnia, headaches and confusion. | The study, funded by mobile phone companies, suggests radiation from the handset can cause insomnia, headaches and confusion. |
| It may also cut our amount of deep sleep - interfering with the body's ability to refresh itself. | It may also cut our amount of deep sleep - interfering with the body's ability to refresh itself. |
| The study was carried out by Sweden's Karolinska Institute and Wayne State University in the US. | The study was carried out by Sweden's Karolinska Institute and Wayne State University in the US. |
| This research suggests that if you need to make a make a phone call in the evening it is much better to use a land line Alasdair PhilipsPowerwatch | This research suggests that if you need to make a make a phone call in the evening it is much better to use a land line Alasdair PhilipsPowerwatch |
| Funded by the Mobile Manufacturers Forum, the scientists studied 35 men and 36 women aged between 18 and 45. | Funded by the Mobile Manufacturers Forum, the scientists studied 35 men and 36 women aged between 18 and 45. |
| Some were exposed to radiation equivalent to that received when using a mobile phone, others were placed in the same conditions, but given only "sham" exposure. | Some were exposed to radiation equivalent to that received when using a mobile phone, others were placed in the same conditions, but given only "sham" exposure. |
| Those exposed to radiation took longer to enter the first of the deeper stages of sleep, and spent less time in the deepest one. | Those exposed to radiation took longer to enter the first of the deeper stages of sleep, and spent less time in the deepest one. |
| The scientists concluded: "The study indicates that during laboratory exposure to 884 MHz wireless signals components of sleep believed to be important for recovery from daily wear and tear are adversely affected." | The scientists concluded: "The study indicates that during laboratory exposure to 884 MHz wireless signals components of sleep believed to be important for recovery from daily wear and tear are adversely affected." |
| Scientists believe radiation may stimulate the body's stress mechanism. Altneratively, it may disrupt production of the hormone melatonin, which controls the body's internal rhythms. | |
| Electrosensitivity | Electrosensitivity |
| About half the people in the study believed themselves to be "electrosensitive", reporting symptoms such as headaches and impaired cognitive function from mobile phone use. | About half the people in the study believed themselves to be "electrosensitive", reporting symptoms such as headaches and impaired cognitive function from mobile phone use. |
| But they proved to be unable to tell if they had been exposed to the radiation in the test. | But they proved to be unable to tell if they had been exposed to the radiation in the test. |
| Alasdair Philips is director of Powerwatch, which researches the effects of electromagnetic fields on health. | Alasdair Philips is director of Powerwatch, which researches the effects of electromagnetic fields on health. |
| He said: "The evidence is getting stronger that we should treat these things in a precautionary way. | He said: "The evidence is getting stronger that we should treat these things in a precautionary way. |
| "This research suggests that if you need to make a phone call in the evening it is much better to use a land line, and don't have your mobile by your bedside table." | "This research suggests that if you need to make a phone call in the evening it is much better to use a land line, and don't have your mobile by your bedside table." |
| Mike Dolan, executive director of the Mobile Operators Association, said the study was inconsistent with other research. | Mike Dolan, executive director of the Mobile Operators Association, said the study was inconsistent with other research. |
| He said: "It is really one small piece in a very large scientific jigsaw. It is a very small effect, one researcher likened it to less than the effect you would see from a cup of coffee." | He said: "It is really one small piece in a very large scientific jigsaw. It is a very small effect, one researcher likened it to less than the effect you would see from a cup of coffee." |
| Last September a major six-year study by the UK Mobile Telecommunications and Health Research Programme (MTHRP) concluded that mobile phone use posed no short-term risk to the brain. | Last September a major six-year study by the UK Mobile Telecommunications and Health Research Programme (MTHRP) concluded that mobile phone use posed no short-term risk to the brain. |
| However, the researchers said they could not rule out the possibility that long-term use may raise the risk of cancer. | However, the researchers said they could not rule out the possibility that long-term use may raise the risk of cancer. |