Good quality rest is essential for well-being, and shoppers say these Protein Works supplements seem to be helping shoppersThis article contains affiliate links, we will receive a commission on any sales we generate from it. Learn moreWoman sleeping in bed after using Protein Works' Sleep Deep supplementSleep is so important but modern life is hectic, which is why some people are turning to Protein Works’ Sleep Deep Supplement(Image: Getty Images)

Anyone who’s tossed and turned through a sleepless night, left feeling rotten the next day, knows how important a good night’s rest really is. Sleep is essential for recovery, a strong immune system, heart health, cognitive function and more, and many of us aren’t getting enough of it.

Those who are struggling with sleep have likely looked into the various sleep supplements on the market, but it’s not always clear which are effective and which are just essentially over-priced gummy sweets. Now, shoppers can try Protein Works’ Sleep Deep supplement for £11.99 down from £19.99 to see if the science-backed formula helps them get some all-important shut-eye.

The supplements contain soothing plant extracts such as lemon balm, lavender, and chamomile, as well as essential minerals such as magnesium to help reduce fatigue the day after. The key ingredient is L-Tryptophan, an amino acid which helps with the synthesis of serotonin, the ‘feel good chemical’ in the brain, and melatonin, the hormone that tells the body when it’s time to sleep.

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“We designed Sleep Deep around the real science of sleep,” says Chief Product Officer at Protein Works, Kyle Crowley.

“It’s not just to help people fall asleep faster, but to support the deeper sleep stages that truly restore your body and brain. One of the key ingredients is L-Tryptophan, which helps the body produce serotonin and melatonin. These are both essential for sleep quality and mood regulation.

Protein Works’ Sleep Deep Supplement

Protein Works’ Sleep Deep supplement

£19.99

£11.99

Protein Works

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Shoppers can bag Protein Works’ Sleep Deep Supplement for £11.99, which works out to 40p-per-day.

“This isn’t just about sleep. It’s about how well you live during the day. Deep, uninterrupted sleep supports a healthy metabolism, sharper thinking, improved memory, and better appetite control, which is why many users report benefits like improved mood and weight management over time.”

Those wanting to shop around for sleep supplements could take a look at the You’re Looking Well Night Pill, which is £32.50 for a 30-day serving at SpaceNK. This supplement is enriched with magnesium bisglycinate and L-theanine to help the body wind down, fall asleep faster and stay asleep all night.

There’s also the Novomins Night-Time 60 Gummies for £19.99 at Holland & Barrett, which are chewable supplements with added magnesium and vitamin B12 as well as L-Theanine and more. Users should take two gummies at a time, meaning this pack contains 30 days of supplements.

The Protein Works’ sleep supplement has plenty of great reviews from users, however. One said: “As a shift worker, my sleep routine is awful. Since purchasing these I can genuinely say that they have me the best nights sleep. They have literally saved me for countless sleepless nights.”

Protein Works Sleep Deep supplementProtein Works Sleep Deep supplement(Image: Protein Works)

Another added: “These have made a huge difference to my sleep routine! I used to be awful at getting up at 7am! Now I’m waking before my alarm!”

On Trustpilot, some buyers noted some issues with the delivery couriers used by Protein Works. One said: “My order was lost by the delivery people and Protein Works sorted it quickly and very easily! Very happy with the customer service!” Another said: “Delivery slower than I’d expect.”

Another shopper said: “Made an instant difference, relaxes me and helps me drift off.”

The Protein Works’ Sleep Deep supplement is available for £11.99 for a limited time on their website.