$399.00 USA Â£349 UK â¬399 EUR. Sony officially announced the price of the Playstation 4 - $399.00. A year and a half after the official release of both the Xbox One and the PS4, we've seen the Xbox One already slash it's price $50.
The most classical sleep disorder associated with uncontrollable sleep attacks is narcolepsy. However, there are other sleep disorders associated with daytime sleepiness. Persons with Obstructive Sleep Apnea or Restless Legs Syndrome often suffer from daytime sleepiness.
When you first fall asleep you are in the non-REM stage. The non-REM stage of sleep is a time when your heart does not have to work so hard. About 80% of a full night's sleep is spent in this stage.