Originally Posted by HarryT
You don't power it off; in sleep mode it's using a neglible amount of power. I've left mine asleep for weeks at a time and it's made no appreciable difference to the battery level when I turn it on again.
Will the screen burn out (some pixels) because the same picture is displayed for a long time?
Holding the slide key for seven seconds is dicey because if the finger slips, screen saver is displayed.
And seven seconds is really a long time!