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Old 08-09-2008, 11:40 AM
 
Location: Here... for now
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Virtually all alarm clocks I've seen that have a "snooze" feature. Invariably, that "snooze" time is set for 9 minutes. Why 9? Is there a scientific or biological reason for 9 minutes as opposed to 5 or 10? 5 or 10 minutes would certainly be easier to calculate if you want to get up at 6:15.

Not sure if this is the proper forum section for this question but I figured I'm asking about biology and science, so why not here? Thanks!
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Old 08-09-2008, 11:54 AM
 
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Quote:
Originally Posted by Nelly Nomad View Post
Virtually all alarm clocks I've seen that have a "snooze" feature. Invariably, that "snooze" time is set for 9 minutes. Why 9? Is there a scientific or biological reason for 9 minutes as opposed to 5 or 10? 5 or 10 minutes would certainly be easier to calculate if you want to get up at 6:15.

Not sure if this is the proper forum section for this question but I figured I'm asking about biology and science, so why not here? Thanks!
According to a study done by Pennsylvania State University, the average duration of "marital relations" ranges between 3 and 13 minutes. Using 8 as an average, perhaps the alarm clocks are built so that a husband and wife can be together in the morning when the alarm goes off, and once finished, the snooze alarm keeps them from falling back asleep?

Charley
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Old 08-09-2008, 11:56 AM
 
Location: Tyler, TX
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I've wondered about this myself. It probably has to do with the mechanics of the software running the clock - "9" is one digit, where "10" is two - they can allot less memory for it. I know, pretty thin, but that's all I've been able to come up with.
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Old 08-09-2008, 12:34 PM
 
Location: Here... for now
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Quote:
Originally Posted by CMTAD View Post
...the average duration of "marital relations" ranges between 3 and 13 minutes...

Charley
3 minutes???

Quote:
Originally Posted by swagger View Post
I've wondered about this myself. It probably has to do with the mechanics of the software running the clock - "9" is one digit, where "10" is two - they can allot less memory for it. I know, pretty thin, but that's all I've been able to come up with.
Sounds like as good a guess as any, I think. You'd think after all these years, the tech could accommodate an extra digit but who knows?
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Old 08-09-2008, 12:48 PM
 
Location: US
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There are a few ideas as to why.

http://www.jewishworldreview.com/090...sked092403.asp

The Straight Dope: Why does the alarm clock snooze button give you nine extra minutes, not ten?
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Old 08-09-2008, 07:59 PM
 
Location: Texas
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I accidentally learned that if I use the radio (talk) instead of the alarm, it tends to engage my mind and keep me awake. I don't have an irritating alarm anymore. For years, I used to loudest, most irritating sound for an alarm that I could find. I used to have a job that was a really high-pressure job. It didn't take long for me to go to sleep and it was hard for me to wake up, because I was mentally and physically exhausted.
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Old 08-10-2008, 03:26 AM
 
Location: Midwest
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Quote:
Originally Posted by Nelly Nomad View Post
3 minutes???

Sounds like as good a guess as any, I think. You'd think after all these years, the tech could accommodate an extra digit but who knows?
Maybe they think it takes another minute to find the snooze button???
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Old 08-16-2008, 01:52 AM
 
Location: Chicago
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Quote:
Originally Posted by Nelly Nomad View Post
Sounds like as good a guess as any, I think. You'd think after all these years, the tech could accommodate an extra digit but who knows?
Mine has 10-minute snooze increments. I can also set more than one snooze at a time. If the alarm goes off and I smack the snooze button twice, it will give me 20 minutes of snooze instead of 10; smack it 3 times and it will give me 30 minutes. How technologically advanced.
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Old 08-20-2008, 09:02 AM
 
Location: Philaburbia
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Even way back in the 60s my alarm clock's snooze could be set from one to 60 minutes (that 60 minute snooze is dangerous ...). But nine minutes is not enough.
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Old 08-20-2008, 10:39 AM
 
Location: PA -> Denver, CO
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I think it has something to do with the minute hand on an analog clock, and has just become standard, so it's used on digitals. let me look it up and get back to you guys!
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