Weekly Newsletter


Earlier sleep cycles linked to lower depression risk: study

Findings draw on deidentified genetic data from 840,000 people

A one-hour shift to an earlier sleep schedule could drop risk of major depression by 23%, according to a study.

A team of researchers from University of Colorado Boulder and the Broad Institute of MIT and Harvard published findings in JAMA Psychiatry last week...

Sleep Funnies


Global brain activity seen on fMRI, and its connection with cerebrospinal fluid flow weaker in brains of individuals with Alzheimer’s disease risk or related toxin buildup.

Sleep Hacks

Sleep is critical for maintaining mental and physical health, but with more than 1 in 3 Americans routinely not getting enough sleep, widespread sleep deprivation is a serious problem in the United States.


In an effort to protect babies younger than five months while they are sleeping, a new federal safety standard is getting a green light from the Consumer Product Safety Commission (CPSC).

Q & A

Our readers are invited to email us with their questions!

Q: Why do I wake up with a wet patch on my pillow? (Ryan M.)

A: Hey Ryan, drooling while sleeping is quite common. It’s not your fault. Saliva can build up in your mouth and, because you’re lying flat, it doesn’t collect at the back of your throat, which would normally trigger a natural swallowing response. That cold, wet spot on your pillow is the result of saliva trickling out of the corner of your mouth.


Q: What are the signs that I’m sleeping too much? (Mick S.)

A: Mick, more isn’t always better: Regularly sleeping more than nine hours at a time is associated with headaches, back pain, obesity, and type 2 diabetes. These risks may be due to an underlying cause (depression, alcohol abuse, and narcolepsy, for example) rather than oversleeping itself. But either way, it’s worth telling your doctor.

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Newsletter #35, Volume 1, Edition 76

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Please Note: All information presented in Zyppah’s, The Way To Better Sleep Newsletter is for informational purposes only. It is not specific medical advice for any individual. Answers to reader questions are provided for informational purposes only. All information presented should not be construed as medical instruction. You should take no action solely on the basis of this publication’s contents. You are advised to consult a health professional about any issue regarding your health and well-being. While the information presented here is believed to be sensible and accurate based on the author’s best judgement, readers who fail to seek counsel from appropriate health professionals assume risk of any potential ill effects. The opinions expressed do not necessarily reflect those of Zyppah, Inc.