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I would like to learn if it is possible to wake up a MacBook (running Mac OS X 10.6) from sleep using a timer? Is there such a application for Mac OS X? I would like to wake up a computer and turn on iTunes.

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trying to make an alarm clock out of your macbook, huh? –  Cawas Oct 5 '10 at 16:05
    
Why not? It is nicer to wake up listening to favorite music or a radio station. –  Skarab Oct 5 '10 at 21:38

3 Answers 3

up vote 7 down vote accepted

There is no need for a separate app with Snow Leopard, this functionality is built into the operating system.

Look at the Energy Saver panel in System Preferences. Click on the Schedule… button.

You can create an event with iCal a few minutes after your wake up schedule and have it run a script like:

tell application "iTunes"
   set this_playlist to playlist "alarmPlaylist"
   play this_playlist
end tell
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1  
question here is if that would work even with closed lid - and how to do it in case it wouldn't. –  Cawas Oct 5 '10 at 16:06
    
AFAIK, MacBookPro requires kernel mod to run awake with closed lid other than clamshell mode (connected to screen+keyboard). –  Chinasaur Jul 3 '12 at 10:13
    
Build in Schedule wake up work only if power adapter is connected. –  diimdeep May 22 '13 at 19:40

Google is your friend –––

There are at least two apps that do exactly what you ask:

  • Embraceware's Awaken @ $10 (CAN)

  • Metakine's Aurora @ $14.95

They both are capable of waking a Mac on timer and playing iTunes upon waking.

(I don't have enough points to post this as a comment, which is where it belongs.)

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If you do a search for 'timer' at MacUpdate.com you'll get a ton of hits. I can't recommend one over another because I don't sleep my Macs but there are ratings and reviews of all the apps.

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Regarding searching, exactly this is the reason why I asked this question :). –  Skarab Oct 1 '10 at 3:54

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