I used the technique about 15 times and found it to be effective every time.
Lifehacker: MySleepButton Lulls You to Sleep Using Cognitive Science
New York Times: A Snooze-Worthy App Collection to Add to the Smartphone
Forbes: Need More Sleep? Give These Two Hacks A Try
Popular Science (August 2014 print edition): Some things are just … better
Cool Tools: My Sleep Button
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