Death by light?

[loklthecat]

Hii I got a mantis I had her for a few days but when I got back to school she was hanging buy the light and dead I don't know what happened and how can I prevent it from happening again.

 

[Synapze]

Hii I got a mantis I had her for a few days but when I got back to school she was hanging buy the light and dead I don't know what happened and how can I prevent it from happening again.

What type of light are you using?