Here are some key quotations from the interview linked above, with bullets added to separate passages

• … burning the candle all week and trying to “catch up on sleep” on the weekend not only doesn’t work well, but could actually worsen metabolic health in some ways.

• … one easy way to recalibrate an off-kilter body clock, or circadian rhythm, is to go camping.

• insufficient sleep contributes to all the major health problems, from obesity and Type 2 diabetes to heart disease, cancer and neurodegenerative disorders.

• … toward a future in which, along with having their blood tested for cholesterol levels at the doctor’s office, patients might also get a test assessing whether they are natural night owls or morning larks and personalized prescriptions for how to better time their lives.