Biology 202
2000 First Web Report
On Serendip
Sleep Paralysis: Awake But Still Asleep
Hiro Takahashi
A person may wake up and find himself unable to move or speak as if he is frozen. He also may hear footsteps, see a ghost-like creature, or feel someone sitting on his chest. Throughout the history, people considered this phenomenon as work done by evil spirits. However, the modern science can explain the terrifying event as a Sleep Paralysis.