How a Consistent Sleep Schedule Benefits Your Health - The New York Times

Benefits of a Sleep Schedule – The Roaring Times

How Much Sleep Do You Really Need? - National Sleep Foundation

Sleep deprivation - Wikipedia

Study Shows Earlier Bedtimes May Help Kids Get More Sleep, kid sleep

Is 8 Hours of Sleep Every Night Enough?

Study Shows Earlier Bedtimes May Help Kids Get More Sleep, kid sleep

Can Napping Make Up for Lost Sleep? What to Know About Health Benefits - The New York Times

How to Get Better Rest, According to a Sleep Expert - The New York Times

The Health Toll of Poor Sleep - The New York Times

How to Wake Up Earlier: 4 Ways to Become a Morning Person - The New York Times