Ashley Holmes April 3, 2018 sleep training, toddler sleep, baby sleep, 0-4 months 3 Essential Elements for Easier Sleep Ashley Holmes April 3, 2018 sleep training, toddler sleep, baby sleep, 0-4 months Darkness, white noise, and consistent routines are three essential elements you can implement TODAY to help facilitate easier sleep for your child. Make sure you're fully utilizing these helpful tools.