Source: happiestbaby.com

http://www.happiestbaby.com/learn-about-your-baby-toddler/the-happiest-toddler-on-the-block/

The Period of PURPLE Crying begins at about 2 weeks of age and continues until about 3-4 months of age. There are other common characteristics of this phase, or period, which are better described by the acronym PURPLE. All babies go through this period. It is during this time that some babies can cry a lot and some far less, but they all go through it.

Source: purplecrying.info

http://purplecrying.info/

A brief online article all about sleep for young children. It inludes benefits of sleep, tips, and advice for parents.

Source: kidshealth.org

http://kidshealth.org/parent/general/sleep/sleep_preschool.html

Information about sleeping habits of young children and toddlers. Provides suggestions on how to help your child sleep better

Source: my.clevelandclinic.org

http://my.clevelandclinic.org/health/diseases_conditions/hic_sleep_in_your_babys_first_year/hic_sleep_in_toddlers_and_preschoolers

Resources for helping young children have regular and healthy sleep. Offer suggestions to a lot of the common problems associate with getting little ones to get to sleep.

Source: mayoclinic.org

http://www.mayoclinic.org/healthy-living/childrens-health/in-depth/child-sleep/art-20044338