Originally Posted by chrlswltrs
Media volume =0
Alert volume =0
Exit tasks (not needed but i recommend):
Set a volume level for each of those 3 volumes
Just a suggestion, you might want to add another context in addition to "Time". In the event you are not sleeping and might want to use the phone.
I use a combination of time, AC power, and application context. (Application is desk clock, since I use that as my nighttime clock.)