It became known why we wake up a few minutes before the alarm clock
It became known why this is happening.
Waking up before your alarm goes off can be incredibly frustrating, especially when you're hoping to enjoy the last moments of your snooze. Scientists have explained why this happens.
As the Daily Star reports, your body's internal clock wakes you up just as effectively as an alarm clock.
The sleep-wake cycle is controlled by a protein known as PER. The level of this protein fluctuates daily, peaking in the evening and falling at night. When PER levels are low, blood pressure drops, heart rate slows, and cognitive functions are clouded, making you feel drowsy.
By keeping a consistent sleep schedule and waking up at the same time every day, your body learns to increase its PER in anticipation of the alarm. About an hour before you are supposed to wake up, your PER level rises…
