The settings that I can find after the software update for putting MySky  into sleep mode of any sort are under Recordings and now give you only 1 option On/Off for standby which leaves the hard drive spinning 24/7, although
when you put the box into standby (red light on) it does cool down to the extent that the tuners are more than likely to have turned off but it is still warmer than it used to be and you can hear and feel the hard drive is still running. At first I thought it may still be loading movies in the background like it always has in the past, but after 48 hours I don't think so.

If there is another setting I have missed somewhere on the new and (cough) improved interface I would appreciate it someone could enlighten me.