Wow I had no idea. But what if my cat needs to leave bedroom to use her litterbox? So I keep door open
Closing your bedroom door at night can help save your life. More than a decade of research by @UL_FSRI shows that simply closing your doors can slow the spread of fire giving you & your family precious time to escape or to be rescued by FFs if you cannot get out safely. 
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Hi Elle, great question! We do recommend sleeping with your door closed, but if worried about your cat, have you considered installing a pet door to your bedroom door? Visit http://closeyourdoor.org to learn more/ find resources to share!
#CloseBeforeYouDoze - 1 more reply
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