The amount of sleep your teen is getting and the regularity of their sleep schedule is most important, so sleeping until the late morning may actually be okay.
What impact does sleep have on a child's overall development and mental well-being?
How Much Sleep Do You Need?
The Importance Of Sleep For Kids: Sleep Services of Maryland LLC: Sleep Medicine
The Evidence on Kids, Sleep, and School Start Times
A tired child? What you should know - Harvard Health
Teenagers become night owls during puberty
Why Is My Teen Always so Tired? Do They Have Depression?
Sleep in Middle and High School Students, Healthy Schools
When Teens Need Too Much Daytime Sleep
8 No-War Ways to Get Your Teen Out of Bed for School - Raising Teens Today
Kids and sleep: How much is too much day sleep?
things to know about melatonin for kids - Today's Parent
