Sleep better, perform better
NATTRECOVER™ SLEEP TECH
Long sleeve top
Long sleeve top
£0.30 a night
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★★★★★ "Dagsmejan enables my players to have the best rest they can get and to deliver the best performance when it matters." – Patrick Fischer, Head Coach Swiss National Ice Hockey Team
The sleep benefits
The sleep benefits
Boost your muscle performance with our NATTRECOVER™ fabric, combining eucalyptus fibers with heat-activated minerals for enhanced muscle recovery. Engineered for a truly regenerative sleep, far-infrared energy generated by excess body heat is reflected back on the body, stimulating blood flow to the muscles.
Top athlete’s across the world including the Swiss national ice hockey team are using Dagsmejan to power their recovery. Read more.
Testing protocol: Flat testing | Torso testing | Real-life wear testing
Details & care
Details & care
Details
- NATTRECOVER™ fabric: 91% lyocell and 9% elastane/lycra with mineral print
- Flat ergonomic seams and slightly front placed side seams mean that you have a minimum of friction at night
- Tagless design, all care instructions are printed in the athlete recovery sleepwear
Care
- Wash up to 40 degrees Celsius. Do not tumble dry. Do not bleach. Do not dry clean
- You can find the care instructions printed on the inside of the long sleeve top
- Learn to care for super-fine natural fibres in our care guide
Natural & sustainable
Natural & sustainable
NATTRECOVER™ is made with eucalyptus fibres and heat-activated minerals that turn excess body heat into natural far infrared energy. Eucalyptus fibres are not only exceptionally breathable with superior moisture management properties, they are also environmental friendly and sustainable.
- Eucalyptus fibres: Europe & Asia
- Sleep technology: Switzerland
- Mineral print: Netherlands
- Spinning the yarn: Italy
- Knitting and dyeing of the fabric: Austria & Italy
- Garment making: Romania
Fit & size
Fit & size
Fit:
- Fitted
- Chest width (M): 102 cm (3′ 4″), +/- 3 cm (1.8″) per size
- Body length (M): 73 cm (2′ 4″), +/- 1 cm (0.4″) per size
Model information:
Free returns & comfort guarantee
Free returns & comfort guarantee
Sleep in your Dagsmejan sleepwear for up to 14 days, if you don't love it return it for a full refund. Free returns from the US, the UK, CH and the EU.
Free delivery for all orders above 150 GBP.

Size Guide
| SIZE | XS | S | M | L | XL | 2XL |
| EU/DE/CH | 34-36 | 36-38 | 38-40 | 42-44 | 46 | 48 |
| Chest | 79.5-84.5 | 85.5-89.5 | 90.5-95 | 96-101 | 102-107 | 108-113 |
| Waist | 63.5-68.5 | 69.5-73.5 | 74.5-79 | 80-85 | 86-91 | 92-97 |
| Hip | 87.5-92.5 | 93.5-97.5 | 98.5-102.5 | 103.5-107.5 | 108.5-112.5 | 113.5-117.5 |
| Inleg length | 78 | 78 | 78 | 78 | 78 | 78 |
| SIZE | XS | S | M | L | XL | 2XL |
| US | 4-6 | 6-8 | 8-10 | 12-14 | 16 | 18 |
| UK | 8-10 | 10-12 | 12-14 | 16-18 | 20 | 22 |
| Chest | 31.3-33.3 | 33.7-35.2 | 35.6-37.4 | 37.8-39.8 | 40.2-42.1 | 42.5-44.5 |
| Waist | 25-27 | 27.4-28.9 | 29.3-31.1 | 31.5-33.5 | 33.9-35.8 | 36.2-38.2 |
| Hip | 34.4-36.4 | 36.8-38.4 | 38.8-40.4 | 40.7-42.3 | 42.7-44.3 | 44.7-46.3 |
| Inleg length | 30.7 | 30.7 | 30.7 | 30.7 | 30.7 | 30.7 |
| SIZE | S | M | L | XL | 2XL |
| EU/DE/CH | 46-48 | 50 | 52-54 | 56 | 58-60 |
| Chest | 91-97 | 98-103 | 104-109 | 110-115 | 116-121 |
| Waist | 80.5-85.5 | 86.5-90.5 | 91.5-96 | 97-102 | 103-108 |
| Hip | 94.5-99.5 | 100.5-104.5 | 105.5-109.5 | 110.5-114.5 | 115.5-119.5 |
| Inleg length | 82.5 | 83 | 83.5 | 84 | 84.5 |
| SIZE | S | M | L | XL | 2XL |
| US/UK | 36-38 | 40 | 42-44 | 46 | 48-50 |
| Chest | 35.8-38.2 | 38.6-40.6 | 40.9-42.9 | 43.3-45.3 | 45.7-47.6 |
| Waist | 31.7-33.7 | 34-35.6 | 36-37.8 | 38.2-40.2 | 40.6-42.5 |
| Hip | 37.2-39.2 | 39.6-41.1 | 41.5-43.1 | 43.5-45.1 | 45.5-47 |
| Inleg length | 32.5 | 32.7 | 32.9 | 33.1 | 33.3 |
Sleep better with Recovery sleepwear for men
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Sleep better, perform better
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NATTRECOVER™ Technology
NATTRECOVER™ Technology
The responsive minerals used in NATTRECOVER™ recycle excess body heat which is released during sleep—transforming it into far infrared energy and re-directing it back to the body. Promoting increased blood flow to muscles, enhancing the recovery and rejuvenation process.
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Eucalyptus fibres + energizing minerals
Eucalyptus fibres + energizing minerals
The NATTRECOVER™ fabric is made of eucalyptus fibres and energizing minerals.
Eucalyptus is nature’s high-tech fibre with exceptional moisture management and temperature regulating power—helping to maintain optimal sleep temperature throughout the night.
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Athlete proven
Athlete proven
There are many factors that impact how well we sleep, a fast way to improve on your sleep is to wear the right sleepwear. That's why professional athletes, top medical professionals and trainers across the world wear Dagsmejan.
Read more about why athletes personally recommend Dagsmejan.
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Sleep better, perform better
The NATTRECOVER™ fabric features responsive energizing minerals that enhance muscle regeneration.
- Reactive mineral fabric can help to enhance muscle recovery
- Breathable and temperature regulating technology
- Dries in 1/3 of the time of cotton -
NATTRECOVER™ Technology
The responsive minerals used in NATTRECOVER™ recycle excess body heat which is released during sleep—transforming it into far infrared energy and re-directing it back to the body. Promoting increased blood flow to muscles, enhancing the recovery and rejuvenation process.
-
Eucalyptus fibres + energizing minerals
The NATTRECOVER™ fabric is made of eucalyptus fibres and energizing minerals.
Eucalyptus is nature’s high-tech fibre with exceptional moisture management and temperature regulating power—helping to maintain optimal sleep temperature throughout the night.
-
Athlete proven
There are many factors that impact how well we sleep, a fast way to improve on your sleep is to wear the right sleepwear. That's why professional athletes, top medical professionals and trainers across the world wear Dagsmejan.
Read more about why athletes personally recommend Dagsmejan.
SLEEP IN IT, LOVE IT OR RETURN IT
- JTJan T.Verified BuyerReviewingLong sleeve top — NATTRECOVER™I recommend this productMy sleep type I'm sometimes warm and sometimes coldRated 5 out of 5 stars13 seconds agoFunctional, warm and lightweight
Lovely new color for the stay warm top. My husband wears it often in the winter.
Sleep comfort with Dagsmejan?Rated 5.0 on a scale of 1 to 5Poor ExcellentHelps to regulate temperature and moisture?Rated 5.0 on a scale of 1 to 5I'm too warm/ cold/ sweaty I'm very comfortableHow is the sizing?Rated 0.0 on a scale of minus 2 to 2Runs small True to size Runs largeWas this helpful? - VWVictor W.Verified BuyerReviewingLong sleeve top — NATTRECOVER™I recommend this productMy sleep type I'm sometimes warm and sometimes coldRated 5 out of 5 starsYesterdayBest sleepwear I’ve ever worn
On the second night I wore my new sleepwear I told my wife that they were the best. She immediately went online and bought some. The first time she wore something different to bed she complained that it was impossible to sleep and that she must buy a second set of dagsmejan sleepware.
Sleep comfort with Dagsmejan?Rated 5.0 on a scale of 1 to 5Poor ExcellentHelps to regulate temperature and moisture?Rated 5.0 on a scale of 1 to 5I'm too warm/ cold/ sweaty I'm very comfortableHow is the sizing?Rated 0.0 on a scale of minus 2 to 2Runs small True to size Runs largeWas this helpful? - GSGünter S.Verified BuyerReviewingLong sleeve top — NATTRECOVER™I recommend this productMy sleep type I'm sometimes warm and sometimes coldRated 5 out of 5 stars7 months agoRating
long-sleeved shirt
Sleep comfort with Dagsmejan?Rated 5.0 on a scale of 1 to 5Poor ExcellentHelps to regulate temperature and moisture?Rated 5.0 on a scale of 1 to 5I'm too warm/ cold/ sweaty I'm very comfortableHow is the sizing?Rated 0.0 on a scale of minus 2 to 2Runs small True to size Runs largeWas this helpful? - EBEve B.Verified BuyerReviewingLong sleeve top — NATTRECOVER™I recommend this productMy sleep type I'm sometimes warm and sometimes coldRated 5 out of 5 stars7 months agoComfortable to wear
Once you have it, you only want it 😌
Sleep comfort with Dagsmejan?Rated 5.0 on a scale of 1 to 5Poor ExcellentHelps to regulate temperature and moisture?Rated 4.0 on a scale of 1 to 5I'm too warm/ cold/ sweaty I'm very comfortableHow is the sizing?Rated 0.0 on a scale of minus 2 to 2Runs small True to size Runs largeWas this helpful? - WHW.J. H.Verified BuyerReviewingLong sleeve top — NATTRECOVER™I recommend this productMy sleep type I'm often warm and sometimes sweatRated 5 out of 5 stars8 months agoTop slaap shirt
Erg fijn shirt. Goede kwaliteit.
Sleep comfort with Dagsmejan?Rated 5.0 on a scale of 1 to 5Poor ExcellentHelps to regulate temperature and moisture?Rated 5.0 on a scale of 1 to 5I'm too warm/ cold/ sweaty I'm very comfortableHow is the sizing?Rated 0.0 on a scale of minus 2 to 2Runs small True to size Runs largeWas this helpful?