As for the insomnia it comes and goes with your mood and other factors if it persists you might want to see a doctor as for the hard drive thing I'm not completely sure what your getting at but you...

The first thing I would say is that if your afraid of loosing the information on your hard drive you should back it up before attempting a solution. Sometimes the best solutions go bad. You can buy...

if the hard drive doesnt power up when you turn it on its fried but if it does there is hope if it is fried there are services that may still be able to retrieve the data to it. If it still powers up...