Kristen Greif

Closeup portrait sleepy, funny young woman, fingers keeping eyes open, low energy, trying to stay awake, focused, isolated green background. Negative facial expressions, emotions, feelings, reaction, sleep is for the weak concept.

Sleep is for the Weak: Origins and Meaning

What do you think of when you hear, “Sleep is for the weak”? A sleep-deprived college student reaching for their tenth cup of coffee? An office worker with bloodshot eyes hunched over their keyboard? When Sleep Authorities heard this phrase, we wondered what the origin was; so, we started investigating. Origins of Sleep is for

Napoléon in Sainte-Hélène, by Franz Josef Sandmann.

Let Her Sleep For When She Wakes She Will Shake the World: Origins and Meaning

A quick look through Etsy will reveal countless inspirational boards emblazoned with the seemingly feminist quote, “Let her sleep, for when she wakes, she will shake the world.” Or, sometimes, people will mix things up and instead claim, “Let her sleep, for when she wakes, she will move mountains.” Despite how prominent this expression is

Young woman standing between the angel and the devil drawings ; no rest for the wicked concept.

No Sleep for the Wicked: Origins and Meaning

At some point, you’ve probably heard the phrase no sleep for the wicked, or some variation of it. But while this phrase gets tossed around a lot, what exactly does it mean? And how in the world did this phrase come to be, anyway? Origins of No Sleep for the Wicked We hate to break

Have no time for sleep. People with coffee, pillows and clock try to wake up while hurrying up. Always late. Headache and overslept. Business, working, hurry up, deadlines. Creative collage.

Sleep Statistics: All the Basics

We’re sleep statisticians here at Sleep Authorities. If you’ve ever wanted to see sleep broken down into numbers, you’ve come to the right place. How Much Sleep Does the U.S. Get?​ Let’s start with the basics. How much sleep should you aim for each night? While sleep needs vary by age and other factors, adults

Portrait of sleeping women 20s in homewear having fun while resting at home together and yawning due to insomnia isolated over pink background.

Sleep Stages: Understanding How We Rest

Experts say that we’ll spend about a third of our lives sleeping. But just what happens when we catch those Z’s? While science doesn’t fully understand the whys and hows, we still know a bit about what happens during the various stages of sleep. Let’s break it down, stage by stage. Demystifying the Sleep Cycle

Cute teen girl in pajama and sleep mask smiling and browsing smartphone before going to bed against pink background.

Sleep Apps: Useful Tools or Useless Gimmicks?

You’re browsing the app store. You come across something that claims to track your sleeping habits. Based on the data it records, this app can give you personalized reports on your sleep quality. It can not only tell you how long you slept, but also how long you spent at each stage in the sleep

Closeup portrait sleepy, funny young woman, fingers keeping eyes open, low energy, trying to stay awake, focused, isolated green background. Negative facial expressions, emotions, feelings, reaction, sleep is for the weak concept.
Kristen Greif

Sleep is for the Weak: Origins and Meaning

What do you think of when you hear, “Sleep is for the weak”? A sleep-deprived college student reaching for their tenth cup of coffee? An office worker with bloodshot eyes hunched over their keyboard? When Sleep Authorities heard this phrase, we wondered what the origin was; so, we started investigating. Origins of Sleep is for

READ MORE
Napoléon in Sainte-Hélène, by Franz Josef Sandmann.
Kristen Greif

Let Her Sleep For When She Wakes She Will Shake the World: Origins and Meaning

A quick look through Etsy will reveal countless inspirational boards emblazoned with the seemingly feminist quote, “Let her sleep, for when she wakes, she will shake the world.” Or, sometimes, people will mix things up and instead claim, “Let her sleep, for when she wakes, she will move mountains.” Despite how prominent this expression is

READ MORE
Young woman standing between the angel and the devil drawings ; no rest for the wicked concept.
Kristen Greif

No Sleep for the Wicked: Origins and Meaning

At some point, you’ve probably heard the phrase no sleep for the wicked, or some variation of it. But while this phrase gets tossed around a lot, what exactly does it mean? And how in the world did this phrase come to be, anyway? Origins of No Sleep for the Wicked We hate to break

READ MORE
Have no time for sleep. People with coffee, pillows and clock try to wake up while hurrying up. Always late. Headache and overslept. Business, working, hurry up, deadlines. Creative collage.
Kristen Greif

Sleep Statistics: All the Basics

We’re sleep statisticians here at Sleep Authorities. If you’ve ever wanted to see sleep broken down into numbers, you’ve come to the right place. How Much Sleep Does the U.S. Get?​ Let’s start with the basics. How much sleep should you aim for each night? While sleep needs vary by age and other factors, adults

READ MORE
Portrait of sleeping women 20s in homewear having fun while resting at home together and yawning due to insomnia isolated over pink background.
Kristen Greif

Sleep Stages: Understanding How We Rest

Experts say that we’ll spend about a third of our lives sleeping. But just what happens when we catch those Z’s? While science doesn’t fully understand the whys and hows, we still know a bit about what happens during the various stages of sleep. Let’s break it down, stage by stage. Demystifying the Sleep Cycle

READ MORE
Cute teen girl in pajama and sleep mask smiling and browsing smartphone before going to bed against pink background.
Kristen Greif

Sleep Apps: Useful Tools or Useless Gimmicks?

You’re browsing the app store. You come across something that claims to track your sleeping habits. Based on the data it records, this app can give you personalized reports on your sleep quality. It can not only tell you how long you slept, but also how long you spent at each stage in the sleep

READ MORE