Profile Scheduler is a completely free application Designed for S60 OS 9.1 Symbian smart phones, and tested only with Nokia S60 devices. This version should work with All S60 3rd & 5th edition devices, including Nokia 5800 and N97.
With Profile scheduler you can automate your profile changing with timer, so you can enjoy your good night sleep being off-line without disturbing phone calls, and be back on-line automatically even before you actually wake up.