London Dec 22: An expert from Loughborough University in Britain has developed a social network platform called 'Sleepful' to help insomniacs access online a promising 'talking therapy'. Called Cognitive Behavioural Therapy for Insomnia (CBT-I) the therapy is based on evidence that falling asleep is strongly influenced by two psychological processes - learning and thinking. Good sleepers learn to feel sleepier as a result of going to bed and find little difficulty in 'winding down' their thoughts before going to sleep. People with insomnia on the other hand learn to feel more alert in bed and often describe their minds as