This Thanksgiving, Get Outdoors
Here’s a fun fact: You probably get way less light exposure during a normal work day than you would…
Blog
The blog for your body’s clock
We cover circadian science, sleep, shift work, and more—because your circadian rhythms are complicated, but understanding them shouldn’t be.
inTRO to ipRGCs ( Intrinsically Photosensitive Retinal Ganglion Cells)
Rods, cones, and…ipRGCs? For almost a century and a half, it was thought that the mammalian retina had just…
No, we shouldn’t make DST Permanent
I recently got some blackout curtains for my bedroom. This was pretty long overdue: about thirty feet from my…
Yesterday’s Weather and Your Health Data
I love my Apple Watch. The ability to track my exercise, heart rate, activity levels, and sleep has enabled…
Time-Restricted Eating and Shift Work
I have always been a good eater. Before I knew about time-restricted eating, back when I was in college—waking…
Measuring Sleep Regularity
What is sleep regularity and why is it important? Sleep regularity is a gauge of how consistent a person’s…