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Warm Milk Induces Sleep According to the Latest Findings

written by / October 19, 2021
Warm Milk Induces Sleep According to the Latest Findings
There’s a reason why our parents would give us a warm glass of milk before going to bed. In fact, milk is one of the most effective natural sleep aids, according to science.

To be precise, researchers from the American Chemical Society (ACS) have recently discovered a potential new natural sleeping aid — a protein found in bovine milk named Casein Tryptic Hydrolysate (CTH).

The above-mentioned study, conducted on mice and published in the Journal of Agricultural and Food Chemistry, indicates that this particular milk compound has stress-relieving and sleep-inducing properties.

Consequently, researchers screened some 131 peptides found in CTH in order to identify exactly which of these was responsible for the sleep-inducing effects.

The first thing they came across was a CTH-derived decapeptide called α-CZP that acts as nature’s sedative, potentially ending the need for prescription drugs (benzodiazepine, in particular) to fight insomnia.

What’s more, the screening revealed two additional molecules with substantial sleep-enhancing effects. Namely, one of these peptides, identified as YPVEPF, has improved the sleep rate of mice from 58.33 to 83.33%!

In other words, the number of mice that fell asleep after receiving this peptide was up by approximately 25%. Likewise, the sleep duration increased a whopping four-fold compared to that of the control group.

Better yet, scientists believe that these may not be the only sleep-enhancing peptides found in milk; past studies even linked milk to tryptophan — a chemical precursor to serotonin and melatonin.

Now, scientists are looking to start clinical trials on humans in the hopes of producing a 100% natural, non-addictive sleep aid; much like a good melatonin supplement, only better!

After all, what better motivation than finding an alternative to the nasty side effects caused by sleeping pills.

Marija Kovachevska is a content writer at, Biochemist and Activist. After obtaining her BSc in Biochemistry and Physiology she changed her microscope for content research tools and continued researching in the fields of Medicine, Biology, and Communication. Her insatiable curiosity flare drove her to become a “content scientist writer” as she likes to say. Reality fascinates her and facts and statistics are a must-have feature in her articles. Fluent in English and French, she is a volunteer and communication associate for several non-profit organizations. French culture and handcrafting are her passion, but in her free time, she indulges in long walks and traveling, or as she likes to say “experiencing the inexperienced.”

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