The most important thing to remember is it does not matter how safe you think your home is, regardless of how many home alarms you've got, accidents happen, so be aware.
A dimmer allows the room to be softly lit all evening, making it simple to notice. http://www.Gadamopoulos.gr/sites/all/modules/pubdlcnt/pubdlcnt.php?file=http://www.aiki-evolution.jp/yy-board/yybbs.cgi%3Flist=thread