Nighttime Light: The Silent Sleep Disruptor

Remember awhile back when we published ‘Light at Night is Bad, People‘? Well, consider this the reunion tour—today, we’re diving back in to explore why nighttime light is the ultimate sleep stealer. Picture this: it’s bedtime, and you’re ready to fall fast asleep. Then, bam! You remember a work email and crack the laptop open. […]

What is circadian sleep sufficiency?

Here’s a weird thing about shift workers: Their sleep duration doesn’t always predict how sleepy they feel. Which is weird because… shouldn’t it? After all, somebody who sleeps for a longer period of time should feel less sleepy than someone who sleeps only for a short period of time, right?  This paradox isn’t actually that […]

Interview with Dr. Hrayr Attarian

Thanks for joining me today. You have such an impressive resume. Would you mind telling me about yourself and how you got into sleep medicine? While studying for my undergraduate in biology, I took a class in abnormal psychology, and one of the lectures was about dreams, which piqued my interest in psychology and sleep […]

The Dark Side of Daylight Saving Time

Welp, here we are yet again. We are once more setting our clocks forward one hour to have more evening light. Why? That’s a good question. The history of Daylight Saving Time (DST) is complex and goes back to 1918 (in the United States). But lately more and more people are asking if it’s even […]

The way you think about sleep is wrong

“I didn’t get nearly enough sleep last night.” “I need to get to bed sooner.” “I just can’t wake up in the morning, and I’m not a morning person.” We often think of sleep as a debt to be paid to some mysterious collector. Sleep evades us when we most want it and won’t let […]

The health benefits of darkness

Our apps tell you when to avoid light because light exposure is the number one input to your body’s circadian clock (which regulates sleep, metabolism, immune response, DNA repair, physical performance and more). Light at some times speeds up your clock and helps you fall asleep faster, while light at other times can slow down […]

What really helps you go to sleep

Don’t use your phone before bed! Turn off overhead lights in the evening! Block blue light as you wind down! There are tons of recommendations out there for helping you get to sleep at night that deal with light and technology, and—spoiler alert—I think they’re right on the money. But missing from the standard advice […]