To do Finger Induced Lucid Dream and Clock Induced Lucid Dreams, you need to be able to set alarms for multiple times. A cell phone application works great for this.
1) Go to bed when you normal do and set your alarm clock when you would for a normal Wake-Back-to-Bed time. Six hours later works best since REM cycles are 90 minutes each.
2) Then set multiple alarms after the first one. Eight minutes later, then another one four minutes late, then eight minutes later, then 12, 16, and 20 minutes apart between alarms. After this just keep going as long as you want to with alarms every eight minutes.
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For example: If you go to bed at 11 PM, you then set alarms for 5:00, 5:08, 5:12, 5:28, 5:48, and then maybe 5:56, 6:02, and 6:10 with eight minute intervals longer if you want.
This method works by making your body hover between being awake and being asleep. You fall asleep and then you get woken up by the timer. You just need to relax, and stay alert. If you fail and fall asleep, remember you got the next timer that will wake you up letting you try again.
The alarms are set up in specific intervals because soon, after just a couple of short timers, your body starts expecting the alarm which will make you even more aware and alert in the dream state. This is an excellent way to become familiar with falling asleep, and it's also a great method to get lots of WILD practice in a short amount of time.
Now, this is where the Finger Induced Lucid Dream (FILD) method comes in. Just use use FILD at each alarm to then give yourself a way better chance to WILD. Experiment with it every time you wake up to find the method that works for you.
For an alarm, you can also use an mp3 file with silence and an mp3 of the alarm. Then make a playlist with the silence files and the beep files playing while I sleep. Or you can use an alarm application on your cell phone. I use Timers4Me and an mp3 file where the alarm lasts only a few seconds and does not repeat.