The Screen Off section of the "Info Panel" is separated into several sections.
This includes the date and time of the event, how many insomnia sessions there were and how much time was taken NOT sleeping.
This gauge allows comparison of this event's insomnia time (broken down to per hour), against the average insomnia time of the current period in the calendar view.
This is a list of all the "Wake" reasons the computer gives, including the number of times it was awoken citing the reason. Wake Reasons for a list of known reasons and what they mean.
Lists any connected hardware at the start of the event, the idea is to be able to see if sleeping problems go away when removing connected hardware.
Sleep Aid lists settings which it believes are relevant to potentially causing insomnia. This list can be compared with other sleeps to help determine if changing the settings helps.