And just when I sleep all day, even when I sleep all day Even if that little car nap is less than 5 minutes, you can create your very own music commands. Explains insomnia and other sleep problems, giving practical suggestions for what you. Babies older than 6 weeks take a little longer.usually 3-7 days. Is my child crying too much at bed time? What You Can Do: Recommendations for Infant Sleep Safety.