Parenting tips for parents with teens who are too old for day care and spend time home alone when parents are working or out of town. If your home has no parent supervision during certain parts of the dayand other teens know it, they may put undue pressure on your teen. The most dangerous times for teens is between 3pm and 7pm. We can set up our teens for disaster or, prepare them for safe, stress free times at home. Talk about internet use, entertaining the opposite sex, defending themselves against intruders, and how to answer the phone. Set parameters on who has permission to come over. Give your teen a schedule of things to do, work and fun to stave off boredom and loneliness.