4.63 out of 5
(68 customer reviews)



Wake up feeling rested and rejuvenated. MTN OPS Slumber™ helps your body rest deeply and recover quickly. Hibern8™—our deep sleep formula uses local trace minerals from the Great Salt Lake coupled with Melatonin, L-Theanine and natural extracts to cultivate a deep, calming slumber.

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Wake up feeling rested and rejuvenated. MTN OPS Slumber™ helps your body rest deeply and recover quickly. Hibern8™—our deep sleep formula uses local trace minerals from the Great Salt Lake coupled with Melatonin, L-Theanine and natural extracts to cultivate a deep, calming slumber.

Nighttime recovery is vital for daytime performance. MTN OPS Slumber™ helps your body recover during deep sleep with Collagen—one of the most important nutrients needed to ensure the health and vitality of your skin, hair, tendons, cartilage, bones, and joints. In addition to Collagen, Slumber™ includes a non-stimulated, tannin free Rooibos Tea. Rooibos has 50 times more antioxidants than green tea, helping reduce cell-damaging free radicals in your body for optimal recovery.*

DIRECTIONS: 30-60 minutes prior to bed, mix one scoop of MTN OPS Slumber™. MTN OPS Slumber™ can be consumed cold, but is best when mixed with hot water. Stir when using hot water or shake until blended with cold water.

Additional information
Weight 16 oz
Reviews (68)

68 reviews for SLUMBER

  1. 5 out of 5

    Josh Miller (verified owner)

    Awesome product. I can tell a real difference the nights I drink it and the nights I don’t. I wake up more refreshed when I do drink it.

  2. 5 out of 5

    Travis Rotzien

    Great product, got it right away and glad I did! I’ve been sleeping great since. You really feel refreshed and recovered when you wake up in the morning! Also it taste great too!

  3. 4 out of 5

    Tom Garza (verified owner)

    Good product, feel rested the next day. The only thing is WOW is it Sweet. I drink black coffee and sipping this is just not for me. Maybe they could come out with a not sweetened flavor? Thanks Mnt Ops.

  4. 3 out of 5

    Bryce McDaniel (verified owner)

    I was not impressed. It didn’t seem to help me sleep, and there were only a couple days where I woke up and felt refreshed. That being said, It’s been a very busy time for me, a lot of working. I may give this stuff another try, everything MTN OPS has, has been working for me so far.

    Also the packaging sucks. They need to go with a hard plastic container like everything else. The zipper on the bag came apart from the package and I had to use a rubber maid container to put the rest of the stuff in.

  5. 5 out of 5

    James Brabson (verified owner)

    Great product. Gives you that “I just drank some NyQuil” type relaxation about 20 minutes after drinking it….usually puts me out in less than half an hour. I do really notice the recovery aspect of the drink. Probably the best part of the drink is the muscle and joint recovery part. It is a pretty sweet tasting drink. For those that like lots of cream and sugar, this will be right up your alley…otherwise, the sweetness could be dropped down a notch. This is an awesome product though. Love it.

  6. 5 out of 5

    Jake King (verified owner)

    The perfect product for someone that has a hard time shutting down at the end of a day. Really makes getting to sleep a breeze. And no groggy hang over like some other sleep aids.

  7. 4 out of 5

    Naomi (verified owner)

    This is a great product. I sleep amazing and I can feel the difference the next day. The only downside is it is a little on the sweet side. I am hoping other flavors are on the way!!

  8. 5 out of 5

    Jason Taylor (verified owner)

    Very great tasting and easy to mix. I sleep awesome now and wake up feeling like a million bucks. I will admit I was skeptical on this product but have had my mind changed. Will be ordering again and I’d recommend everyone to try slumber.

  9. 5 out of 5


    Helps me sleep great! Tastes great! Well worth the $

  10. 5 out of 5

    Lips (verified owner)

    Helps my husband sleep through the night. He feels rested in the morning and not groggy.

  11. 4 out of 5

    Jackie Bulow (verified owner)

    This product works great! I feel refreshed the next morning and actually sleep through the night. My only reservation on it is that it is SUPER sweet! I have to double the recommended water and add a little milk to dilute it down. I am not sure if it is the flavor that is the problem but it is definitely too sweet. But the overall effectiveness of the product it amazing, so I will continue to buy it.

  12. 5 out of 5

    Mario (verified owner)

    Was experiencing some insomnia due to some medication, and gave Slumber a try to help. Worked very well and allows me to get to sleep every night. Sleep is much deeper, and I wake up feeling refreshed. Best part is no “hungover” type side effects the next morning, like I’ve had with other sleep aids.

  13. 5 out of 5

    Justin Crossley

    Great product. I sleep an average of 4-5 hours per night and will take Slumber when I need to get to sleep early to get caught up a bit. I feel it really helps me to get to sleep early and stay asleep throughout the night.

  14. 5 out of 5

    R2Lane (verified owner)

    I love this stuff, working at a busy firehouse my sleep schedule gets destroyed. Slumber helps me reset and get a great night of sleep.

  15. 5 out of 5

    jdzevahc357 (verified owner)

    Love the product sleep great hoping for different flavors though taste isn’t to my liking.

  16. 4 out of 5


    So far so good, tastes pretty good but dear mother of god is it overly sweet!!!! If you guys could find a way to knock down the sweetness factor by about half i would definitely purchase again! So far i seem to be sleeping better and it gives me something to drink before bed other than a beer.

  17. 5 out of 5

    Hannah (verified owner)

    Another AMAZING product that I have absolutely fallen in love with. I can tell a huge difference in the nights I drink my slumber and the nights that I do not. I feel refreshed and energized when I wake up in the mornings and BONUS no soreness. Your missing out if you haven’t added slumber to your daily routine yet

  18. 5 out of 5

    Travis Heffernon (verified owner)

    Fantastic product! Took it as directed and within 45 minutes I was feeling myself start to relax and fall asleep. I remember my wife asking me what it tasted like and my reply was somewhere between Halloween and Christmas. Best nights sleep in quite some time. Excellent when served hot. Thanks MTNOPS.

  19. 4 out of 5

    allisonl1211 (verified owner)

    Great product! Can notice a difference in being able to fall asleep faster and feeling more rested and energized when I wake up in the morning. The only downside is it’s SUPER sweet. I have a sweet tooth and it’s still too sweet for me. But, I just double the amount of water and put a splash of milk in it and then it tastes fine.

  20. 2 out of 5

    LittleBoon_Maddock (verified owner)

    Hoping you make different flavors (hot chocolate) because this flavor was hard to choke down.

  21. 5 out of 5

    kiera rivera (verified owner)

    I love this stuff!! I’ve had sleep issues for 20 years and I sleep much better on nights I drink this and don’t wake up groggy the way I would with sleeping pills. I drink this on nights after a long or rough workout and my muscles can definitely tell the difference. Like most people have said, it’s way too sweet. I just add more water and it’s great.

  22. 5 out of 5

    Curt Teaster (verified owner)

    This stuff should be in the Keep Hammering line, cuz it hits like a hammer. Twenty minutes and I can barely hold my eyes open. My 21 y/o daughter has battled sleep issues for years. Not any more!

  23. 5 out of 5

    Russell Zalkin (verified owner)

    THUMBS UP!!!! My wife and I both have stressful jobs, and along with that… we workout 4-5 days a week, renovating a 100 year old farmhouse, countless hours of practicing with our bows, scouting and setting up for hunting season… Slumber helps us wind down every night. We actually look forward to our “Slumber time”, within 30 min, our minds slow down and falling asleep comes easy! Another great product…Thanks MTN OPS

  24. 2 out of 5

    Markus (verified owner)

    I love how this stuff WORKS, but I HATE how it tastes. It is NOT CHAI, it’s so sweet I make it with 8 oz hot water and then top it off with milk or half and half.

    I am on the fence about ordering more because it is just way to sweet. Offer something for those of us that like our scotch neat, our coffee black or with just cream, and a proper IPA. Apple Cider, or a “Cafe Latte” flavor would be nice.

    My wife won’t come within a mile of the stuff. Two stars because it does work very well and I feel great in the morning, but not a single star more because of the awful flavor.

  25. 5 out of 5

    Tasha M Little (verified owner)

    I absolutely love slumber. I fall asleep easily, I never wake up during the middle the night and I have no drowsy feeling in the morning. I even got some for my mother and father and they are now loving it. They drink this at night instead of having to take medication to help sleep. We all absolutely love the flavor!

  26. 5 out of 5

    Bethany K

    THIS STUFF IS AWESOME! No wonder it’s out of stock. I have struggled sleeping for a long time and now that I have this stuff my sleep is so great. I HIGHLY RECOMMEND THIS TO EVERYONE!

  27. 5 out of 5

    Tyler Diettert (verified owner)

    Super awesome product! I have a hard time getting to sleep after a hard day at work. One cup of this right before bed, and it knocks me out quicker than Tylenol PM. Great to use in the back country to recover as well.

  28. 5 out of 5

    rfwells1964 (verified owner)

    So… my brain goes non stop and trying to shut down for the night isn’t always easy. Slumber really helps calm me down and I wake up feeling rested and refreshed, Ready for the day!!

  29. 4 out of 5

    daryl brinke (verified owner)

    Mtn ops field staff member, this is one of my favorite products. i use it for a few different reason.
    sometimes everyday life is stressful and can render on your sleeping habits, some things may keep you up. This product helps you get to sleep faster and stay asleep longer. Giving you a better sleep helping you in the long run.

  30. 4 out of 5


    Absolutely delicious. Definitely can feel it working after a couple nights. Espically after a long hunt or a long day at work..

  31. 4 out of 5


    Great as a sleep aid in recovery agent. And works faster than your standard melatonin in my opinion. Taste great and is a great way just to in the night

  32. 5 out of 5

    Connie (verified owner)

    Slumber is one of my favorite Mtn Ops products! It really has helped me with falling asleep and my quality of sleep! It tastes great! Only side note…….because I drink it right before I fall asleep, I still have to wake up to run to the restroom!

  33. 5 out of 5

    Erin Thompson (verified owner)

    I love slumber, it’s great help to fall asleep and get good rest. There’s not a drowsy feeling when you wake up and you honestly feel great. I gave so to one of my coworkers on second shift that was having a hard time sleeping and he’s hooked.

  34. 5 out of 5

    Scott Orr (verified owner)

    On the nights where I just don’t feel like I’m going to be able to fall asleep I take the slumber. The flavor is amazing. About 15 minutes after taking it I can feel my eye lids getting heavy and I start to calm down. I personally warm up water and then mix it in a bottle with a lid that was it doesn’t clump up.

  35. 5 out of 5

    Jason Taylor (verified owner)

    Really love the slumber product and the flavor is awesome. Due to my schedule, I have to go to the gym st night and sometimes it’s difficult to wind back down quickly after taking my pre-workout and the slumber compliments that well. I am able to fall asleep quickly and feel refreshed when I wake up.

  36. 4 out of 5

    Marcus Strange (verified owner)

    This stuff works. Period. I have some of the soundest and deepest sleeps when I use Slumber. I have found, however, that I need to do my part i.e. no food right before bed, getting to bed on time, not surfing on my phone, etc. I didn’t love the flavor, but didn’t hate it either.

  37. 5 out of 5

    Corbin Inman (verified owner)

    I love slumber. I am active from the time I get up in the morning until I go to bed. Sometimes I have trouble winding down and Slumber can really help me get a good nights rest. It also helps me recover better when I am extremely tired. There are nights I wouldn’t get much rest if I didn’t have a cup of slumber before I go to bed.

  38. 5 out of 5

    alex1987g (verified owner)

    Wonderful Product. I had a product that was similar to Slumber years ago and then it was discontinued. Trying slumber was great tasting and worked really well. I wake up feeling refreshed and ready to rock the day.

  39. 5 out of 5

    schutt_john (verified owner)

    This product is a game changer. I woke up more rested than I think I have in 20 years. If have restless sleep after a long day and a workout this is for you.

  40. 5 out of 5

    Jesse (verified owner)

    Just started using this after my evening bjj class bc it runs late and I’m wired when I need to sleep, I can say first hand this stuff works!!! Deep sleep and wake up less sore than before!!!

  41. 5 out of 5

    krystal (verified owner)

    The best ever! I bought this for a turkey hunt I went on with 3 other hunting buddies. We drank it, praised the flavor, perfect night time treat. after a few days we all were saying the same thing, ” I felt sleepy after drinking it” ” I fell asleep fast” ” I had a great night rest!” ” this stuff is awesome”.

  42. 5 out of 5

    Marc Thompson (verified owner)

    I have a problem sleeping often. Between working and working out I feel like my mind is always racing. Slumber is an excellent product that has really helped me get the rest I need for the next day. Anytime I feel restless before bedtime I’ll mix up a mug and typically within 30-45 minutes I’m calmed down and ready for bed. I have had some odd dreams but that’s fairly typical for me when taking melatonin. The dreams don’t cause any poor sleep. If you have trouble getting to sleep give Slumber a try and see if it helps you. I’m a big fan of the flavor as well.

  43. 5 out of 5


    Was anxiously awaiting the release of this product, and it was worth the wait!! Never have I had a deeper sleep and felt more rested after tough workouts or just physical days!! Only downside is waiting for to get back in stock because I am out ! Ha!!

  44. 5 out of 5

    brockbullard (verified owner)

    UNREAL. This is always out of stock because it freaking works. Hot water or hot milk, one scoop, and in 20-30min you start to fade. I get deeper sleep and wake up recharged every time i drink slumber. This is a product that is just a complete game changer because it seriously does everything you want and expect it to do.

  45. 5 out of 5

    Seth (verified owner)

    This product really helps me fall asleep and stay asleep. I have always had a hard time falling asleep but I take this and in about an hour I am out. This also does not cause me to be exhausted in the morning like most other sleep aids.

  46. 4 out of 5

    Dan Meyers (verified owner)

    Overall, Slumber is an awesome product. It helps me fall asleep faster and wake up feeling rereshed and ready to take on the day. I rated it a 4 because I’m not a big fan of the chi flavor so I mix in a tablespoon (or two) of Mnt Ops Chocolate Magnum to help with the taste. I highly recommend this product for anyone struggling with falling asleep or wind down at the end of the day.

  47. 5 out of 5

    Mario Leoni (verified owner)

    I really feel well rested when I use it. I found that I just brew a cup of hot water out of my Keurig and mix one serving of slumber in. I give it a couple minutes then stir again so that it has time to dissolve otherwise it tends to clump up. I don’t use it every night. But when I feel that I need to really get a good night of rest without a doubt I turn to slumber.

  48. 5 out of 5

    John Wentworth (verified owner)

    Flavor is awesome, especially in hot milk. Definitely helps me have deep sleep and wake feeling recovered!

  49. 5 out of 5


    I was skeptical at first but after pairing this at night with the hot ignite in the mornings, I’ve noticed a real difference in how refreshed I am in the mornings. It has a nice, relaxing flavor in about 10oz of water.

  50. 5 out of 5

    Tonya Wisener (verified owner)

    If I could give this product more than 5 stars I would! It is my FAVORITE MTN OPS product. My husband and I both could tell a difference in how we felt when we woke up within just a few night of drinking Slumber before bed! It allows me to sleep through the whole night waking up feeling rested and ready for my day, not to mention the flavor is awesome!

  51. 5 out of 5

    Michael Currall (verified owner)

    Absolutely amazing! Slumber is now a crucial part of my night. It tasted amazing and the quality of sleep I get after drinking it is incredible. I can sleep for only 5 hours before getting up early for work and feel completely rested.

  52. 5 out of 5

    Tyler Roach (verified owner)

    I love taking Slumber in the evening I have never slept so good in my life this stuff is incredible!

  53. 2 out of 5

    David Wilson

    This did help me sleep and rest good, but that taste 😝mixed it with hot water like the directions said taste horrible! I nearly threw up. I like mountain ops products but this was $40.00 that was not well spent.

  54. 2 out of 5

    R.J. Fens Jr. (verified owner)

    When Slumber first came out I would have given it 5 stars even though it was a pain to mix. It was probably the best supplement I had ever taken. Worked as advertised! Fell asleep quickly and slept 100% through the night. Even if I woke up a little earlier than normal I felt like I had slept forever!

    Then it was unavailable for few months. Couldn’t get it anywhere.

    When it came back in stock I bought 3 bags! Wasn’t gonna run out again! That was a mistake. First off I immediately noticed a difference when I mixed the first cup on this order. Looked different than before. First sip definitely tasted different, has a funky aftertaste now. And for me does not work near as well as before. I would guess the long “out of stock” timeframe had something to do with this but what ever was changed needs to be put back the way it was!!

  55. 5 out of 5

    willsimonton (verified owner)

    Holy cow this stuff awesome, both my wife and I love it, it is a bit sweet but that helps take care of my sweet tooth. Only downside I can find is it seems to work too well , I drink my serving pass out for a good 2 hours, then boom awake feeling like I overslept lol then I have to try to get back to sleep guess I could take another serving Haha

  56. 5 out of 5

    arusher21 (verified owner)

    Slumber has changed my life!!! Whenever I know that I am going to get less than 6 hours of sleep at night, I take it. I feel revitalized and charged for a full day of hunting/work the next day! Love it!!!

  57. 4 out of 5

    jeffmacnaughton (verified owner)

    Works great at helping you shutdown after a long day. The one knock is it is a pain to mix up when used with hot water. It remains very clumpy even after stirring and trying to break them up.

  58. 5 out of 5

    David Hebeisen (verified owner)

    I love this stuff. I knew I tossed and turned in the night, but once I tried Slumber, I really woke up feeling rested, whether I got 8 hours of sleep or 5. Flavor was great, and it eases you down at the end of a day. Never tried a sleep aid before this. The only bad thing I I never want to go without!

  59. 5 out of 5

    dna2004 (verified owner)

    I have tried everything on earth to actually sleep at night. I bought this because I figured I’ve tried everything else. Oh my! I fell asleep inside of 15 minutes and woke up at my alarm in the same position I started in. I’ve used this for a week now and have had the same results. No groggy feeling in the morning. I actually feel good when I wake up. I’m so glad I stumbled upon this product.

  60. 5 out of 5

    Nicole Oliver (verified owner)

    Slumber is a life saver! All of the flavors are amazing but my favorite would probably have to be the apple cider! It’s seriously the best sleep you will ever have!

  61. 5 out of 5

    mattlwest (verified owner)

    I travel constantly so my sleep pattern is constantly changing. Slumber has helped me regulate that when I need to adjust to different time zones or just simply can’t get the brain to stop thinking and get rest.

  62. 5 out of 5

    bullfighterbull (verified owner)

    This product will let you drift to sleep and wake feeling refreshed and ready to rock and roll. The great taste makes it easy to sip on.

  63. 5 out of 5

    Joshua Michael (verified owner)

    Great product! When it comes to busy late nights and I know its going to be hard to fall asleep this is a go to!! after a long day of chasing elk or deer in the backcountry this is my #1 product at camp. the help with muscle recovery its simply AMAZING!!

  64. 5 out of 5

    Taren Weigandt (verified owner)

    I can feel a huge difference in my sleep when I drink a cup of Slumber before bed. I don’t wake up half way through the night! Slumber has become my favorite Mtn Ops product. The new cocoa flavor is my favorite, followed by the chai. I also prefer to drink them with warm milk instead of water.

  65. 5 out of 5

    rpcarter4 (verified owner)

    My goto both during elk season and home…amazing product! I sleep like a baby.

  66. 5 out of 5

    Jeb Burton (verified owner)

    Great product! I use this at night after a long day of hunting or after one of my races. Really helps with deep sleep.

  67. 5 out of 5

    Mike Shannon – The Northeast Woodsman (verified owner)

    This is one of the best products I have ever used for sleep issues. I have tried everything! Every single one of them have me wake up groggy and half dead like I’m gonna be part of the zombie apocalypse. I can’t stand that. As for this product I was doubtful but oh my gosh was I wrong! It slowly creeps in and knocks you out and I litterarly woke up the first time I tried it and was like I have not slept that well in years… I have both the cocoa and the cider. I love them both! Cocoa taste like hot chocolate especially wh. You mix it with warm milk and the Cider is my new favorite! It’s like a cider with a hint of cream. These both are sweet tasting but I like that in my hot drinks! Overall I love having this in the house especially after late night workouts where I’m still amped this puts me right where I need to be.. in bed.. the recovery factor of the product is incredible I love what they came up with to help in muscle repair while sleeping but also how they mixed vitamins in for the body as a whole. Your on top of your game MTN OPS

  68. 5 out of 5

    M Andrew Peterson (verified owner)

    Let’s be honest, you make gains while you sleep NOT while you are working out, so getting a good nights sleep is a MUST for any serious athlete, and Slumber will ensure you that you do! Winding down with a hot cup of Sleepy Chai is my new nightly bedtime ritual.

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