[at-l] Almost totally un trail related

[Phil.Heffington@oc.edu (Phil Heffington)]

OK, it's a slow day at the office, and this query is only marginally
trail related (someone did keep waking me up with their closeby
sleep/snooze alarm at the Hotel Doyle when I stayed there on my hike
this year.)

My question is this, "Why are the sleep/snooze functions on alarm clocks
set for 9 minutes?"  Did some chronologist or sleepologist, or whatever,
do some sort of scientific study on this, or what?  Seems like 10
minutes would make more sense to me!