https://articles.mercola.com/sites/articles/archive/2018/03/29/why-do-you-need-sleep.aspx?utm_source=dnl&utm_medium=email&utm_content=art1&utm_campaign=20180329Z1_UCM&et_cid=DM195602&et_rid=259593016
Importance of Deep Sleep
https://articles.mercola.com/sites/articles/archive/2018/04/26/sleep-and-emotional-health.aspx?utm_source=dnl&utm_medium=email&utm_content=art1&utm_campaign=20180426Z1_UCM&et_cid=DM202335&et_rid=287014376
Yoga for Sleep
https://www.care2.com/greenliving/yoga-for-insomnia-5-poses-to-help-your-mind-and-body-let-go.html
Dreaming Importance
http://www.yesmagazine.org/happiness/its-not-just-sleep-thats-important-to-your-well-being-its-dreaming-too-20171123?utm_medium=email&utm_campaign=YTW_20171201&utm_content=YTW_20171201+CID_ef20847be54fa7ba0fc41d3e42961bc1&utm_source=CM&utm_term=Its+Not+Just+Sleep+Thats+Important+to+Your+Well-Being+Its+Dreaming+Too