Why do I wake up right before my alarm? theage.com.au - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from theage.com.au Daily Mail and Mail on Sunday newspapers.
Many people report waking up just before their alarm goes off, a phenomenon known as "anticipatory awakening." Researchers believe that our biological clocks, specifically the suprachiasmatic nucleus in the brain, play a role in this ability to wake up at specific times. Light levels and the time passed since going to bed are also thought to be factors.