Suz wrote:
The PIR light switch I use in my bathroom can trigger an on period of up
to 20 minutes from one detection. If you haven't moved in that time, you
are probably past needing any light.

Colin Bignell
Colin, Colin. Girls in a bathroom? 20 minutes staring at complexion is
probably standard.

One would hope that by the time they're at that stage, they've worked
out the whole fear of the dark thing...